电子束录像

I'd like to start with a short story. 我想先讲个故事。 It's about a little boy 有个小男孩 whose father was a history buff 他父亲是个历史爱好者, and who used to take him by the hand 常牵着他的手 to visit the ruins of an

发表于:2018-12-18 / 阅读(32) / 评论(0) 分类 TED演讲科技篇

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(69) / 评论(0) 分类 不择手段背单词

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 英美文化

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(35) / 评论(0) 分类 万物简史

听力文本 Recording 4[qh] 录音4[qh] 1. A: And can I have your name, please?[qh] 1、A:能请你告诉我你的名字吗?[qh] B: Yes, it's Andrew Browne.[qh] B:好,安德鲁布朗。[qh] A: Is that spelt the same as the colour?[qh] A:是和

发表于:2019-03-15 / 阅读(184) / 评论(0) 分类 剑桥雅思报考指南

听力文本 Recording 7 录音7 1. We had a good response to our survey and we found that while 80% of our students drink coffee, only 15% drink tea, with the rest preferring water. 1、我们的调查反响很好,我们发现,80%的学生喝咖啡

发表于:2019-03-16 / 阅读(282) / 评论(0) 分类 剑桥雅思报考指南
学英语单词
abscission region
acrinyl
alienability of property
allongement
Ananas comosus
annuity system
antivortices
assault of arms
atabrine hydrochloride
backwash controller
balanced k-way merge sort
balykshi (balyqshy)
bankok
boguing
boiler house layout
Calvinia
cardinal costa
chief science officer
christmas flowers
chromenes
common wasps
conceptual strategy
copper oxide
correctional officer
curtatively
deathhouses
denton
diazotrophic organism
diffraction pattern diagram
dry main
dual-system
dynamic tensile test
elapsed time measurement
embertons
emmertropia lens
english book
exotic belly dancer
fissura sphenooccipitalis
flush corner joint
foglight
freezing and thawing method
geeps
harraged
horny-layer aspergillosis
idols of the forum
instruction cell
interstation noisesuppressor
large poodles
light off - flavo(u)r
m'ija
machine utilization rate
mariscas
mellissa
methoxyfluranum
molter
monoenes
multiple colour phosphor screen
negative uniaxial medium
ner tamid
nine-month
nonproduct factor
Note pane
Nāmakkal
outguesses
Pernambuco Plateau
phthiriasis inguinalis
Pilling
planococcus citri (risso)
polish sth up
pornographer
pour forth abuses on someone
pre-adolescence
price maintenance agreement
public toilet
purple meadowrue
quaser
radio active decay
recourse to the capital market
rectal gill
refabrication
rickettsia rickettsii
rod-motion indicator
Sagua la Grande
scorpaenopsis ramaraoi
secondary strontium phosphate
seva
shepherd dog
speed responsive element
steam and water radiator
sulfocarbonate
symphytocarpus amaurochaetoides
synthetic casing
tawab
thermoplastic powder coating
trachycarpous
traction diverticulum
video coil
voluntary adjustment
welding tongs
work horn
Wāw an Nāmūs
zincograph