光透射抽样

Smart 词汇记忆组群 63 mask n. 面具,伪装 vt. 掩饰 ornament n. 装饰物,装饰 decorate vt. 装饰,装潢 形近单词 delicate a. 易碎的,脆弱的;柔软的,纤细的;雅致

发表于:2018-11-29 / 阅读(144) / 评论(0) 分类 思马得四六级

southeast n./a.东南,东南(地区)的 southern a.南部的,南方的 southwest n.a.西南,西南(地区)的 sow vt.播种;散布,传播 vi.播种 space n.太空,宇宙;空间 vt.把分隔开 spacecraft n.宇宙飞船 spade n.铁铲,铁

发表于:2018-12-01 / 阅读(93) / 评论(0) 分类 大学英语四级词汇拼读版

Two things I think really were what it came down to for many: 众多原因中,我就想谈两点: a) Someone that big who's that athletic. Dude is the size of Dwight Howard. a)这么大块头的人还有这么强的运动能力。他的身板都赶

发表于:2018-12-01 / 阅读(77) / 评论(0) 分类 英语新闻

[00:03.70]第七部分 肠胃不适 [00:07.39]1.What did you have for lunch? [00:16.52]午饭吃的是什么? [00:25.65]2. Have you vomited? [00:32.48]呕吐了吗? [00:39.31]3.Please open your mouth and say 'ah'. [00:48.18]请把嘴张开,说'啊'. [00:57.05]4.I'll give you

发表于:2018-12-05 / 阅读(115) / 评论(0) 分类 医疗服务英语

WC是厕所的标示,这是国内任何人都知道的。而且知识分子都该知道这是Water Closet的简写。但这个非常正式的英语,在英语系国家,也就是在美国或英国,根本看不到。据说把这种标示用在厕所

发表于:2018-12-12 / 阅读(104) / 评论(0) 分类 英语阅读理解

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Fingers are pretty nifty. They let you to grab a latte, type on a keyboard, even pull up your pants. But did you ever wonder: where do fingers come from?

发表于:2018-12-24 / 阅读(101) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(五)月

(woman) We've just seen two contemporary large birds that cannot fly: the emu and the ostrich. Over here is an interesting specimen from the past. This stuffed animal is not the giant penguin it appears to be, but an auk. This particular kind of auk

发表于:2018-12-30 / 阅读(71) / 评论(0) 分类 托福听力短文

Jo Shapcott One day the technicians touched souls as they exchanged everyday noises above the pipette. Then they knew that the state of molecules was not humdrum. The inscriptions on the specimen jars which lined the room in racks took fire in their

发表于:2019-01-02 / 阅读(92) / 评论(0) 分类 英语诗歌

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(五)月

Ⅱ. Sales Letters 推销信 The sales letter is a form of advertising. It aims to sell particular kinds of goods or services to selected types of customers. Specimen Letters 1. Ordinary Sales 一般性推销 Dear Sirs, We are pleased to send you wit

发表于:2019-02-02 / 阅读(74) / 评论(0) 分类 实用英语

JINAN, May 14 (Xinhua) -- Chinese scientists said Saturday that they have found a new species of giant theropod dinosaur in the eastern province of Shandong. The new species, described as a close relative of Tyrannosaurus rex (T. rex), has been named

发表于:2019-02-05 / 阅读(84) / 评论(0) 分类 英语新闻

Ⅱ. Acknowledgment 认收 Specimen Letters When a seller receives his customer's order he usually acknowledges the receipt of the order. The following are some printed routine acknowledgments: (1) XI'AN TEXTILE CORPORATION 164 East street, Xi'an Tel

发表于:2019-02-06 / 阅读(136) / 评论(0) 分类 实用英语

拉美兹卡病毒疫情扩大,美国发布旅游警告 Four years ago, a rancher in the Patagonia region of Argentina came upon an old bone sticking out of his desert property near La Flecha. 四年前,在阿根廷的巴塔哥尼亚地区,一名

发表于:2019-02-06 / 阅读(115) / 评论(0) 分类 英语新闻

When it comes to pandas, you probably thought things were strictly black and white. 一提到大熊猫,你可能会以为只有黑色和白色。 But meet Qi Zai, an extremely rare brown and white panda whose colourful appearance has left scientist

发表于:2019-02-07 / 阅读(70) / 评论(0) 分类 阅读空间

Science and technology 科学技术 What dinosaurs ate 恐龙吃什么 The belly of the beast 腹中发现 A chance discovery from China suggests some dinosaurs lived in trees 在中国的一次偶然发现暗示着有些恐龙在树上生活 WHAT di

发表于:2019-02-16 / 阅读(133) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Human evolution 人类的进化 Ask the family 寻根问祖 Human ancestry has just got more complicated 人类祖先之谜变得愈加复杂了 ONE of the oddest things about Homo sapiens is that he is alone. 有关

发表于:2019-02-24 / 阅读(117) / 评论(0) 分类 经济学人科技系列

Queequeg was a native of Kokovoko, an island far away to the West and South. It is not down on any map; true places never are. 魁魁格是科科伏柯人,那是一个远在西南方的岛屿。任何一张地图上都没有这个地方;真实的地方

发表于:2019-02-25 / 阅读(80) / 评论(0) 分类 白鲸记

SPIM stands for Selective Plane Illumination Microscopy. SPIM is a new kind of microscope technology. It provides a significantly sharper image than current microscopes, and it also allows one to study living organisms without destroying or harming t

发表于:2019-03-06 / 阅读(116) / 评论(0) 分类 英语时差8,16
学英语单词
access floor
acetonate
acuson
aegean cultures
Akanticone
Anplag
antispamming
Bavarian blue
bis(s)ed to/towards
cacao-sheel butter
cannon net
catalysator
cathetometer
chrome tin pink
compact-car
cook-maids
crystal-control transmitter
cupric gluconate
disablement insurance
dodecaphonists
drunkendom
epidendron
fault growth index
genest
Gigantopteris
gray cleaning
Gusinaya, Guba
hereditary spinabifida
highly water-soluble dextrin phosphate
impact on
in trust for
indirect foreign exchange standard
inequality of pupils
instation
interdiction of commercial intercourse
intrahabitat
isaac mayer wises
jsa
Junkerism,junkerism
lever assisted side cutting pliers
ligamenta cruciatum tertium genus
made course
mailchute
master scheduler
miai
miniature receiver
minimycin
mining theodolite
Miyaga wanella pneumoniae
moving-base navigation aid
natural theologian
net mark-up
nickelate
nonself-propelled vessel
nortia carinicollis satsumana
overcrammed
Oxford bags
panthera uncias
paper deflector
powdered fuel plant
psychological price
radio warning
radiocontrast media
rehusking paddy
reliability maturity index
repellants
rod stop
safe production
Sapir-Whorf hypothesis
seed source
series of compounds
sets of wheels
ship routes
simple matter
snowcats
special expenses
sublateral bristle
sum of series
supertips
suricata suricata
system alternative
system constant
telemetered television
Teocelo
Thalictrum alpinum
TMMT
to be on the safe side
Trabeculodialysis
transfemininities
transition rule
transmission band
transverse pressure
tympanic sulcus
unforbidding
V-mask
Valestrand
water park
weight in volume
whinied
wild hollyhocks
wodschipe
yield programming