音标:['mʌltɪvælv] ;
adj. (贝类等)多瓣的
n. 多瓣贝类动物

So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n

发表于:2018-12-11 / 阅读(92) / 评论(0) 分类 访谈录2009

REVIEW THREE For this lesson,you'll need a pencil and a piece of paper. Listen to this lecture about the history of the computer. Don't write anything yet.Just listen The inventor of the modern computer was an English mathematician,Charles Babbage. H

发表于:2018-12-25 / 阅读(30) / 评论(0) 分类 洪恩环境英语

And all of the heavy hearts 所有沉重的心 Are broke in their backs 都悄悄地不为人知地伤痕累累 And all of the die-hard valentines 所有顽固的情人 Are calling me back 都在挽回我 You can find me in the restaurant 你会发现我

发表于:2019-01-03 / 阅读(44) / 评论(0) 分类 听歌学英语

BP is close to putting a new cap on the damaged well that's been spewing millions of gallons of oil into the Gulf since April's rig explosion. NPR's Richard Harris tells us the new cap has valves that might be able to stop the flow. The new cap could

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 2010年NPR美国国家公共电台7月

Chapter 13 End of Summer 第十三章 夏天的尾声 A trumpet has three little valves. They are for the fingers of the player. 一把小号有三个小活瓣。它们是让吹奏者用手指来按的。它们看起来就像这样: By pushing them

发表于:2019-01-29 / 阅读(43) / 评论(0) 分类 吹小号的天鹅

1、阀门种类术语 Air valves 空气阀门 Angle Stop valves 角式截止阀 Angle Throttle Valves 角式节流阀 Angle Type Globe Valves 门角式截止阀 Ash valves 排灰阀 Aspirating valves 吸(抽)气阀 Auxiliary valves 辅助(副)阀 Balance valves 平衡阀 Bellows valves

发表于:2019-02-01 / 阅读(47) / 评论(0) 分类 英文语法词汇
学英语单词
1-naphthaleneacetic acid
acyl azide
additional power
andreoblastoma
anerleys
boiling point rising
branchio-oto-renal
bushey
chain chlorination
Chest-back
chloral amide
claudications
containment by-pass accident sequence
Contaverm
croutons
cystovarian
default parameter value
delivery fee
diagnosis roentgen
Didymosporae
dogtrots
dulce et decorum est pro patria mori
ear-opening
East Brunswick
eastern conference
Egyptiac
electronic wire service
electrostatic waves
evaporator pressure
exoproteinase
family Magnoliaceae
flour corns
fractured porosity
froise
gambogic acid
garnet hinge
Garth hill bed
gernut
Grana Padano
halfleather
hexachlorophenes
historiognomer
holozymase
hortus siccus
impurity selection
internet packet
interoccurrence
intrupcion
irregular short-term fluctuations
Kruh
Lixus
m.t.i. target visibility
made allowances for
manufacturing dedicated computer
martlit
MBCM
metal mist layer
modularises
nondistorting
Nārwen
oil bath gearbox
omn. quar. hor.
operation diagram
ordinary-language
outcrop of fault
outstanding rq
overall yield
passacaglias
PCST
pilot plunger
pleiotropic
pleurodontid
prykyl
public health service's sanitary requirement
pyosis tropica
raghuram
Reinsurance Office
relabelled
Rescue Coordination Centre
resistance-overvoltage
royal touch
salpiglossis
Savigny-lès-Beaune
seidoes
self-correctings
Shumilovo
sippel
size and shape
SN401
Snellen's reform eye
sorting and merging data routine
stedy
supervisal
target road engineering survey
tempyo
thysanaspis perkinsi
tinkerbell fairyfly
triosephosphate isomerase
triplet of three spatial variable
Weissenstadt
well-worn
windows are protected