“提神物”用英语怎么说？

某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis m...

“司罐工”的拼音为：sī guàn gōng...

“拱架”的英语可以翻译为：ow member，lagging jack，arch centering，arch centre ...

“收缩”的英语可以翻译为：contract，shrink，concentrate one's forces，draw back，constriction ...

absentmindedly的音标：absentmindedly的英式发音音标为：[əbsent'maɪndɪdlɪ]absentmindedly的美式发音音标为：[əbsent'maɪndɪdlɪ]...

A guy who whispers in your ears, saying “It’s alright, I’m here.” Holds you when you’re sad, and treasures everything about you. That’s the guy I want to give my heart to.那个人会在耳边轻声说：没事，我在这。在你悲伤时给你依靠，与你相关的，他都珍视。有这样的人，我爱定了...

Ambient concentrations varied considerably by season.环境浓度随季节而大幅度变化.He had had a varied training and held many offices.他受过多方面的训练, 担任过许多职务。The antifungal mechanism of Trichoderma is varied, including antibiotic, dissolve h...

The ship went through the busy shipping lanes of the English Channel.这艘轮船通过了繁忙的英吉利海峡船运航线.He has swum the English Channel three times.他已三次游过英吉利海峡.We took a hovercraft across the English Channel.我们乘气垫船横渡英吉利海峡....

n.坏，恶劣，有害，不吉祥...

n.似薄纱的状态...

Please leave a space between the lines for the necessary corrections.在行与行之间要留出间隙,以便作必要的修改.Readers are requested to make the corrections pointed out in the errata.要求读者根据勘误表匡正.The teacher interlined corrections on the stud...

乳...

n.家常服( housecoat的名词复数 )...

vt.把…分成几部分...

中国与朝鲜的边界已正式划定了.The border between China and Korea has been formally delimited.朝鲜和中国只隔一条鸭绿江.Korea and China are separated by only the Yalu River.朝鲜人民和我们祖国的人民不是一样的 吗 ?Aren't the Koreans the same as our own countrymen?...