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have classes：上课UmE中国英语学习网

have a good time 玩得高兴UmE中国英语学习网 | have classes 上课UmE中国英语学习网 | have fun with 玩得高兴UmE中国英语学习网

have classes：上课WpB中国英语学习网

have a good time 玩得高兴WpB中国英语学习网 | have classes 上课WpB中国英语学习网 | have fun with 玩得高兴WpB中国英语学习网

fragrance,and quan grasses have changed into cogon grasses：荃蕙化而为茅

兰芷变而不芳兮, long? Orchids and Dahurian angelicas have los... | 荃蕙化而为茅. fragrance,and quan grasses have changed into cogon grasses. | 何昔日之芳草兮, Why yesterday's fragrant grasses have all...

have cold feet：害怕; 临阵畏缩

have a foot in the dish 占一份; 获得立足点 | have cold feet 害怕; 临阵畏缩 | have leaden foot 脚步沉重, 行动迟缓

have cold feet：害怕

have cognizance of 认识到 | have cold feet 害怕 | have designs against 抱不良企图

Come in, please. Have a seat：进来吧,请坐

I have no responsibilities here whatsoever.|我对此事不负任何责任 | Come in, please. Have a seat.|进来吧,请坐 | Lieutenant, how long have you been in the Navy?|中尉,你在海军服役多久了?

How many times have you been cussed out：不记得

Do you consider yourself beautiful? 从来没有, I have a low self esteem when comes to my apperance; m... | How many times have you been cussed out? 不记得 | Have you ever been cow-tipping or snipe-hunti...

have in detestation：厌恶

have hot coppers 喉咙干燥 | have in detestation 厌恶 | have in hand 进行中

I did：一般过去时

3现在进行时(I am doing)与一般现在时(I do)比较(1)4现在进行时(I am doing)与一般现在时(I do)比较(2)10现在完成进行时(I have been doing)与现在完成时(I have done)比较13现在完成时(I have done)与一般过去时(I did)比较(1)14现在

I considered him to have acted disgracefully：我认为他的行为可耻

They knew him to have been a spy. 他们知道他以前当过间谍. | I considered him to have acted disgracefully. 我认为他的行为可耻. | I judged them to have finished the work.. 我估计他们已经完成工作.

Chassis Dynamometry：底盘测功

底盘测功机:chassis-dynamometer | 底盘测功:Chassis Dynamometry | 底盘选配:chassis select

transient state：暂态

大多数的物理、工程、经济的教科书都忽视暂态(transient state)分析而强调最终的稳定态(final state)分析. 一个主要的原因是暂态与系统的初始条件有关,而且不是稳定态;在系统经过足够长的时间,最终会收敛於稳定的终态.