impellent是什么意思？

impellent的音标：impellent的英式发音音标为：[ɪm'pelənt]impellent的美式发音音标为：[ɪm'pelənt]...

The decibel level was mounting.噪音在增强。The most usual system is that of the decibel scale.最常用的系统为分贝标度系统.A measure of sound intensity equivalent to one decibel at 1000 Hz.一种声强的量度单位,其值等价于1000Hz1分贝....

Some employers reneged on agreements once the recession set in.经济一衰退,有些雇主就违背了协议.Both had reneged on paying off the loan.两人都违背了还清贷款的诺言.The management agreed to raise the workers'pay, but they reneged on their word.资方...

Armstrong的音标：Armstrong的英式发音音标为：['ɑ:mstrɔŋ]Armstrong的美式发音音标为：['ɑrmˌstrɔŋ]...

steeples的音标：...

“薄膜的”的英语可以翻译为：filmy，pellicular ...

The Bourdon - type pressure gauge is more convenient for most purposes than a liquid manometer.在很多情况下,使用鲍敦式压力计要比液体压力计更为方便.What kind of piping system should the Bourdon effect be considered to?哪种类型的管系中应考虑到波登效应?Effect of d...

n.（图书馆等的）馆长，监护人，管理者，（大学）学监，校董会中的财务保管员...

bedizen的音标：bedizen的英式发音音标为：[bɪ'daɪzn]bedizen的美式发音音标为：[bɪ'daɪzən]...

去皮机，剥皮机...

我花大笔钱购置了上班时穿的漂亮新套装。I spent lots of money on smart new outfits for work.公司对待我的态度就好像是我上班时溜号了似的。The company treated me as though I were skiving.上班时，他淹没在枯燥乏味的会海中。At work, he was chained to a system of boring meetings....

v.害怕...

Rescuers used props to stop the roof of the tunnel collapsing.救援人员用支柱防止隧道顶塌陷。...the backdrop and props for a stage show.一场舞台剧的背景幕和道具Wood is still extensively used for props.木材仍广泛地用于支柱.I had two props in my life; one was ...

n.条约( pact的名词复数 )，协定，公约...

embryon的音标：embryon的英式发音音标为：['embrɪɒn]embryon的美式发音音标为：['embrɪɒn]...

holotyphlon的音标：holotyphlon的英式发音音标为：[hə'ləʊti:flən]holotyphlon的美式发音音标为：[hə'loʊtiflən]...