keep back什么意思解释

keep back的音标：keep back的英式发音音标为：[ki:p bæk]keep back的美式发音音标为：[kip bæk]...

She was unable to keep back her tears, and wept freely.她抑制不住泪水, 痛痛快快地哭了起来.A slow learner can keep back the whole class.反应迟钝的学生会影响全班的进步.I asked the spectators to keep back from the sideline.我要求观众们不要走近边线....

v.退格( backspace的第三人称单数 )...

I think the only common denominator of success is hard work.我认为取得成功唯一的共同要素是勤奋。Tabloid newspapers pander to the lowest common denominator.小报都竭力迎合大众口味。The school syllabus seems aimed at the lowest common denominator.学校的教学大...

Activity of compound bactericide is determined by biological method, synergistic action is judged from multiplicatin factor.以管蝶扩散二剂量法测定复配后的杀菌剂的活性,以增效倍数来判断复配后的杀菌剂是否具有增效作用.Bactericide Chemical compound which has the proper...

Their frequency of use both justifies and requires the memorization.频繁的使用需要记忆,也促进了记忆.Rote memorization has been the educator's standard operating procedure for centuries.几个世纪以来,死记硬背一直是教育工作者奉行的标准教学方法.Memorization red...

n.（建筑物等的）骨架( skeleton的名词复数 )，骨骼，梗概，骨瘦如柴的人（或动物）...

n.血色素，苏木精...

result的音标：result的英式发音音标为：[rɪ'zʌlt]result的美式发音音标为：[rɪ'zʌlt]...

sure的近义词/同义词有：decided, absolute, certain, positive, definite, confirmed, determined, definite, unfailing, secure, insistent, conclusive, certain, dependable, decided, yes, absolute, reliable, positive, unavoidable, infal...

cheddars的音标：...

他在建筑工地上当起了小工。He became a hod carrier on a building site.傍晚时分兜售各种花哨小工艺品的小贩常把街道阻塞.Toward evening peddlers selling various fancy goods would fill up the street.小摊儿上有很多小工艺品卖,价格不贵.There are many small and cheap articles in th...

（指一整段笑话中最后几句最能引人发笑的）点睛之笔，妙语如珠...

scab的复数形式为：scabs...

“乙醛酸”的英语可以翻译为：[化] glyoxalic acid，glyoxylic acid，[医] ethanal acid，oxoacetic acid ...

昼间尿频...

二迭系...