棘轮工具

Intelligent Crows Use Tools What do otters, chimpanzees, and one species of crow have in common? All three are animals. They also use tools. Scientists have long known that a crow native to New Caledonia is able to use tools. The birds use them to re

发表于:2018-12-16 / 阅读(62) / 评论(0) 分类 2016年VOA慢速英语(九)月

too-太 tool--工具 tooth--牙齿 town--市镇 tower--高塔 towel--毛巾

发表于:2018-12-16 / 阅读(78) / 评论(0) 分类 用听的背单词-基础2000MP3(h-z)

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(59) / 评论(0) 分类 四六级词汇与结构练习

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(94) / 评论(0) 分类 英文名句短语

[Verse 1] Na na na na na na na, na na na na na na Na na na na na na na, na na na na na na I guess I just lost my husband, I don't know where he went So I'm gonna drink my money, I'm not gonna pay his rent (nope!) I got a brand new attitude and I'm go

发表于:2019-01-03 / 阅读(176) / 评论(0) 分类 音乐咖啡厅

[ti:UNIT 6 Connect Lesson 44: Everybody! Hear This!] [0:00.509]Unit 6 第六单元 [0:02.544]Connect 连接 [0:04.324]Lesson 44: 第44课: [0:06.461]Everybody! Hear This! 同学们!听好啦! [0:12.718]Everybody! Hear this! 同学们!听好啦!

发表于:2019-01-09 / 阅读(184) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

Texting Becomes a Health Tool in Kenya Mobile phone use in Africa has spread far, wide and fast. By the end of last year, it was estimated that 70 percent of the population would have a mobile phone. Now, the International Federation of the Red Cross

发表于:2019-01-14 / 阅读(91) / 评论(0) 分类 VOA标准英语2013年(四月)

Science and Technolgy. 科技。 Animal behaviour. 动物习性。 Smarter than the average bear. 一只特别聪明的熊。 The first case of ursine tool use. 第一只会用工具的熊。 PRIMATES apart, few mammals employ tools. Sea otters use r

发表于:2019-01-26 / 阅读(54) / 评论(0) 分类 经济学人科技系列

RB 天王 Chris Brown 联手 T.I.,E-40 新单 《Episode》!有表哥 Chris Brown 的MV,都是金碧辉煌,美女缭绕的,真是太性感了,受不了了啊,合作单曲很赞哦。 歌词: [Hook] All the little bad bitches in here If

发表于:2019-02-01 / 阅读(60) / 评论(0) 分类 流行英文歌曲

听歌学英语:那又怎样?我想要战斗 So What 一个常有着惊世装扮,性感劲酷的新世代辣妹,虽然年纪轻轻,但已被媒体赞誉为下一个麦当娜自信、率真、直言不讳.她就是Pink就是这样一个中气十足的

发表于:2019-02-02 / 阅读(74) / 评论(0) 分类 听歌学英语

pink - so what nanananananana nananananana nanananananana nananananana i guess i just lost my husband i don't know where he went so i'm gonna drink my money i'm not gonna pay his rent (nope) i got a brand new attitude and i'm gonna wear it tonight i

发表于:2019-02-02 / 阅读(102) / 评论(0) 分类 好听的英文歌曲

今天我们要学的词是ratchet。 Ratchet是一个机械部件,叫棘轮,推动机器向一个方向转动。做为动词,我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。 哈佛大学

发表于:2019-02-02 / 阅读(65) / 评论(0) 分类 英语每日一词

今天我们要学的词是ratchet。 Ratchet是一个机械部件,叫棘轮,推动机器向一个方向转动。做为动词,我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。 哈佛大学

发表于:2019-02-02 / 阅读(98) / 评论(0) 分类 英语单词荟萃

冠词是虚词,本身不能单独使用,也没有词义,它用在名词的前面,帮助指明名词的含义。英语中的冠词有三种,一种是定冠词(the Definite Article),另一种是不定冠词(the Indefinite Article),

发表于:2019-02-03 / 阅读(52) / 评论(0) 分类 英文语法词汇

Meet Microsoft's latest facial recognition tool 'Twins or Not'. 微软推出最新人脸识别工具双胞胎了没。 The tool lets you compare two photos to see how similar their facial features are to give a similarity score percentage. 它通过后

发表于:2019-02-05 / 阅读(82) / 评论(0) 分类 阅读空间

这是个周末,Larry和李华在Larry叔叔的农场里摘了一天的苹果。李华会学到两个常用语:chock full和doohickey。 LL: Wow, Li Hua, your basket is chock full of apples. LH: Chock full of apples?你是不是说我的篮子都

发表于:2019-02-12 / 阅读(59) / 评论(0) 分类 美国之音《流行美语》

今天我们要学的词组是ratchet up。Ratchet up,意思是激化、加剧 。North Korea's foreign minister ratcheted up tensions, saying his country had the right to shoot down U.S. planes even outside North Korean airspace. 朝鲜外交部长加

发表于:2019-02-16 / 阅读(54) / 评论(0) 分类 英语单词荟萃

Science and technology 科学技术 The first case of ursine tool use 第一只会用工具的熊 Ready for my close-up, Dr Deecke Deecke博士,准备给我来张特写吧 PRIMATES apart, few mammals employ tools. 除了灵长类动物,会使用工

发表于:2019-02-16 / 阅读(84) / 评论(0) 分类 经济学人科技系列

Having ceded the battle of the gadgets to Korea and the U.S., Japan's electronics titans need to reinvent themselves -- this time as our great protectors, apparently. 日本电子巨头在手持设备之战输给韩国和美国之后,急需重塑自我

发表于:2019-02-17 / 阅读(80) / 评论(0) 分类 阅读空间

Earlier this year, Microsoft unveiled a viral tool that claimed to be able to guess your age from a single photo. 今年早些时候,微软发布了一款能看照片猜年龄的工具,并疯狂传播开来。 Outraged 20 year-olds took to social

发表于:2019-02-18 / 阅读(72) / 评论(0) 分类 阅读空间
学英语单词
.cb
active wiretapping
aircraft transport
alkyl sulfonyl chioride
anthropic soil
apicotransverse
arab common market
back grey
Be. No.
biscuit dough
bon accueil
bursae musculi gastrocnemii
cannot be too
chemical propellant
Chomsky hierarchy
clionid
close loop system
completionists
curve family
cylindrical grate ball mill
cystidotrachelotomy
dance of the masai (tanzania)
donmar
duplicate analysis
electrolytic protection
elementary equivalence
engineering geologic sketch
erection code
exponential relationship
exsolution
fence-line
fixed priority scheme
flaring chromosphere
fluoro-iridium-complex
fluvial facies
frost damages
Galtonian
gorder
graminivore
gymnothorax flavimarginatus
hardly more than
high purity material
hole mobility
in-law
informidable
into effect
iterated fission expectation
jade plant
Juniperus indica
kick arse
lead-sealed sheets
level adit
line characteristic distortion
lognormals
lucre
Magen David
maintenance space telemetering
Manās Wild Life Sanctuary
margin requirement
maxwell-wien bridge
military menace
minds
NADP
net oil
non recurring gains
noncalculus physics
nonpressure solutions
organ-pipe
overscutched
Patrolwoman
Pennellidae
philogynists
phreniclasia
phylosopher
picrotonol
precedence matrix
propi
pucheu
Putler
radiative temperature
Raphanus sativus var. raphanistroides
reseizer
saxilbies
seclusionary
semiprotected motor
sequencing routine
serial samples
sexest
single action horizontal extrusion press
single twitch
ski racer
sphenoidal process
streamlings
symbolic speech
T4A
total agricultural output
trodhal disk
Tupians
undulating pulse
vesica natatoria propria
weird sisterss
wood-working machinery