(directivity 的复数) [计] 指向性, 方向性
plural of directivity
n. the property of a microphone or antenna of being more sensitive in one direction than in another
n. the quality of being directive

My father is a driver and my mother is a teacher. Both of them work hard during the week. No matter how busy they are ,they always manage to take us to our uncles home at the weekend and work on the farm .The farm is not very big but there is always

发表于:2018-11-28 / 阅读(515) / 评论(0) 分类 疯狂英语易背作文

Taking Part in School Activities Nowadays,a large number of students show great interest in school activities.In their eyes,learning from books is not the sole task of their school career.They also wish to take every chance to obtain practical knowle

发表于:2018-11-28 / 阅读(269) / 评论(0) 分类 疯狂英语易背作文

Section 13 Libraries 1Most towns and cities have a library. 2Libraries are available to everyone. 3People think that libraries are just for books. 4They are wrong. 5In modern libraries, you can borrow

发表于:2018-12-07 / 阅读(143) / 评论(0) 分类 英语导读1000句

Outdoor Activities 四季户外活动。 It's warm in spring. 春天天气温暖。 I went hiking. 我去登山。 Leaves turn red. 树叶变红了。 Swimming is enjoyable. 游泳真是享受的事。 I sweat all the time. 我一直流汗。 I got sunstroke. 我中暑了。 It rained harder a

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 不用背句型学英语

A: What kinds of things do you like to do? B: I've always liked to draw and paint. A: I didn't know you knew how to draw and paint. B: I do it every once in a while. A: How long have you known how to do that? B: I first learned how to do it in high s

发表于:2019-01-07 / 阅读(139) / 评论(0) 分类 英语闲谈

A: Tell me, what do you enjoy doing in your spare time? B: I enjoy drawing and painting. A: You know how to draw and paint? B: Yes, I do. A: When did you learn how to do that? B: I learned back in high school. A: Oh, so you took an art class? B: Yeah

发表于:2019-01-07 / 阅读(150) / 评论(0) 分类 英语闲谈

A: Are there any hobbies you do? B: When I have time, I sometimes draw and paint. A: Oh, you actually do that? B: Every so often, I do. A: Did you always know how to draw and paint? B: I was taught in high school how to draw and paint. A: You had an

发表于:2019-01-07 / 阅读(155) / 评论(0) 分类 英语闲谈

Larry和李华两人正开着车,准备到乡下的一个农场去骑马。今天李华会学到两个常用语:boonies和country bumpkin. (Car driving on country road) LH: Larry,我们要去的那

发表于:2019-01-08 / 阅读(186) / 评论(0) 分类 美国之音《流行美语》

For fans of fashionable neckwear for men, what's old is new again. Now Mo Rocca who follows these matters has his own ideas about that. Way back in the 1990s, freedom was ringing everywhere. Women were making huge inroads in the workplace. As for men

发表于:2019-01-09 / 阅读(190) / 评论(0) 分类 英语杂谈

A: Hello! How do I get more amenities? B: I'm sorry, sir. I'm not sure I understand. A: I'm talking about the free stuff, like soap and shampoo. B: Oh, I see. So, you're saying that you've already run out of your amenities. A: No, no. I've got plenty

发表于:2019-01-15 / 阅读(137) / 评论(0) 分类 英语情景对话-旅馆

A: Yes, I need more amenities. B: By amenities, exactly what do you mean, please? A: You know, the things that are free, like the soap and the shampoo. B: Okay, I got it. You've already run out of all your amenities? A: No, I still have plenty left,

发表于:2019-01-15 / 阅读(138) / 评论(0) 分类 英语情景对话-旅馆

A: I need some more amenities, please. B: I'm not sure I'm following you, sir. A: Specifically, I'm talking about the little things, like soap and shampoo. B: Oh, now I understand! So, you've already used up all your amenities? A: No, I'm not even ha

发表于:2019-01-15 / 阅读(133) / 评论(0) 分类 英语情景对话-旅馆

A: I'd like to request some more amenities. B: Amenities? What do you mean by amenities, sir? A: Well, the free stuff! You know: the soap, lotion, shampoo, etc. B: I see. Sir, if I may ask: Have you used up all the amenities in your room? A: Not at a

发表于:2019-01-15 / 阅读(163) / 评论(0) 分类 英语情景对话-旅馆

A: Hi. I need more amenities, please. B: Could you be a little more specific, sir? A: Well, to be more specific, the free stuff, like soap, lotion, and shampoo. B: I understand. Now, you're saying that you've already used up all your amenities? A: Oh

发表于:2019-01-15 / 阅读(131) / 评论(0) 分类 英语情景对话-旅馆

I love to see the TV show about choosing the people in singing, many years ago, when I was in high school, I would open the TV and saw the live show, many young girls were singing to fulfill their dreams, I liked to see their trying. Today, there are

发表于:2019-01-20 / 阅读(147) / 评论(0) 分类 英语作文

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-22 / 阅读(163) / 评论(0) 分类 英语原版童书

Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. Mary: Well, I keep them in my frigerator along with several other sizes of batteries just so I have them on hand. It's a little quirky habit of mine but I a

发表于:2019-02-01 / 阅读(162) / 评论(0) 分类 原版英语对话1000个

Researchers working for the World Wildlife Fund have warned that the effects of climate change pose a serious threat to rare species of wildlife discovered within the past year in Southeast Asia, including a fanged frog and a leopard-striped gecko. A

发表于:2019-02-05 / 阅读(164) / 评论(0) 分类 英语杂谈

你一边聚精会神做功课,室友一旁翻箱倒柜找东西,烦不?这倒也罢,要命的是他还唠唠叨叨问东问西:见我钱包没?我的手表在哪儿? 晕!没好气回他一句:鬼才知道呢! 对了,咱们今天就是要

发表于:2019-02-06 / 阅读(143) / 评论(0) 分类 实用英语

经典语境背诵 Tom: My name is Tom, Im Daniels classmate and good friend. He likes playing football very much, but I like playing badminton. I usually play it with my parents. My parents think that I am good at badminton. Im proud of it so Im w

发表于:2019-03-16 / 阅读(304) / 评论(0) 分类 英语大赢家上册
学英语单词
air slide conveyer
analog(ue) signal
arbuckles
Assmann focus
back-to-work movement
banknorth
bedgown
binomial waiting time distribution
break over region
budget auditing
Buxus sinica
Calingaert-Davis equation
clap on sail
closed cell sponge
computerized biomechanical man-model
coveries
cutting unit
daily postweaning gain
delmetacin
demodex caprae
dielectric paper
direct pressure hot chamber machine
DMA
double sighting
easy book
electronic mail address
embarkation group
emissary veins
emission surveillance
feminization of labor
field frequency square wave response
gatten tree
getterings
googleplex
handybilly
Heathcliff
hemiglossectomy
hemorrhage perrhexin
IJD
incubator offal
input/output file
installed
investible
isometric drawing
Jager's diplococcus
juice loan
kelp ash
key field evaluation character set
khintchine's theorem
Khurmābād
knifegrinders
Kwangsiphyllum
lava hole
law and order
light adaptations
linear quadratic problem
maintenance pruning
maniocs
metabolically challenged
metal fiber reinforcement
metastrongyluss
microcoding
microgenres
moist adiabat
mountings and fittings
multi-
necrospermic
nomimal lightflux
nucleus crew
palache
planned language
pleasure-pain principle
pleasured
Primula incisa
productivity of the social labor
Proquinal
psalterial cord
quivery
reconvalescent
reserve sample
Rhus javanica
roll's end
rotatingcylindrical drum
saceur
satisfactory
secret as the grave
securities business
shearing effects of blast
sit under
Stephania macrantha
stoppage of vehicle
subliming pot
surface of revolution of minimum area
terrifyingness
trading post
triki
tuning peg
tusches
underlied
valuation reserves
White Lotus Society
Yatesville