凸轮轴止推轴承

First Flight Completed of Plane with No Moving Parts Engineers say they have carried out the first-ever flight of an electric airplane with no moving parts. Researchers at the Massachusetts Institute of Technology, or MIT, recently shared video of th

发表于:2018-12-14 / 阅读(48) / 评论(0) 分类 2018年VOA慢速英语(十一)月

When I meet difficulties, I will be very impatient and want to give up. Some day I realize that if I keep running away all the time, I will be a loser and make no difference. So I try to get over my fear and become patient. Now I no longer feel afrai

发表于:2019-01-03 / 阅读(64) / 评论(0) 分类 英语作文

A: Hello. I'm leaving. Here is my key. B: Just one second, sir, and I'll give you your receipt. Here you go. A: Thank you very much. B: Sir, did you enjoy your stay here? A: Well, most of my time here was pleasant. And New York itself is fantastic. B

发表于:2019-01-15 / 阅读(67) / 评论(0) 分类 英语情景对话-旅馆

今天我们要学的词是bearing. Bearing is spelled b-e-a-r-i-n-g, bearing. Bearing 意思是关系,意义。我们常用 to have bearing on something 意思就是同某事有关系,对某事有影响。The decision had much bearing on the way

发表于:2019-02-05 / 阅读(65) / 评论(0) 分类 英语单词荟萃

It is better to be patient and get what you desire in the right time, than have high office thrust upon you when you are not ready. 语音讲解 单词发音 patient adj.有耐心的,能容忍的 desire n.欲望;要求 thrust vt.插;插入;推挤

发表于:2019-02-13 / 阅读(121) / 评论(0) 分类 跟着Gwen学英语之每日早读

Some hands now jumped into a boat alongside, and pushed a little off from the ship. 这时,有些人跳进了傍在船边的小艇,把它撑离了大船一点儿。 Ha! ha! cried Daggoo, all at once, from his now quiet, swinging perch overhead; 哈

发表于:2019-03-10 / 阅读(108) / 评论(0) 分类 白鲸记
学英语单词
active reaction
acute cerebellar ataxia
AHR2526
amount of capital invested by the owner
aradnia
artificial limb science
asplenium tripteropus nakai
average assay value
Baudot distributor
Beaton
benzyl isothiocyanate
Bergonie-Tribondeau law
bribering
cambering gear
cardiac blood-pool scanning
center-of-area function
clover honey
coaxial speaker
crapulent colic
database of atomic and molecular physics
diaphragm seal flowmeter
droplet model
duplat
dusserah
eat earth
eath-rockfill dam
Elizabeth Cr.
epipelic
excavated artificial harbor
fabric design
farm subsidy
fenethazine
french rib
fused eyeball
fusiform bacteria
globular pearlites
gold coin coupon
good look
gusarov
heptapody
hot liquid defrosting
Hughes operation
hydraulic stepping motor
imperfect sparking
infra-red absorption spectroscopy
Internet Directory
interproglottid gland
irriate
isotope marine chemistry
kakatoes
machine script
Mariager Fd.
medial necrosis
microconjugate
Mikadotrichus
moistering
motor converter
multistage-compressor
natrohitchcockite
nd-doped laser
neosphincters
nondiscrete
nonresult
north east spot beam
oncophorus wahlenbergii japonicus
palaeogeological
periscope center
permeations
power calculation
pregitzer
pressure viscosity
prestomium
private branch exchange (pbx)
rectifying still
regulating flap valve
sample taker
sauruine
sea puddings
secondary disaster
Shaeffer's spore staining
sheep-shagger
shift bar
sicard
Stanley Bank
stationary derrick crane
steam driven generator
stressability
subunderwriting
superconducting storage
taking out
Talok
tetraphosphorus monoselenide
thin woodfree printing paper
tiger-lily
transverse resonance method
ucans
unminuted
vasomotor tone
Wassermann, August von
white cells
wire-to-wire capacitance
yankel