单词:double slider-crank mechanism
单词:double slider-crank mechanism 相关文章
ENGLISH MARATHON Host: Jeffery 口语马拉松 56- crank it up发动起来
Double, Double play pause stop mute unmute max volume 00:0005:28repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. OPHIRA EISENBERG, HOST: Now it's time to
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BEIJING, Dec. 19 (Xinhua) -- China will nearly double its pension insurance coverage by the end of 2015 to address the problem of a rapidly aging population, a senior social security official said Wednesday. As many as 348 million more people will be
RIO DE JANEIRO, April 4 (Xinhua) -- Fellipe Bastos scored two goals as Vasco de Gama defeated Alianza Lima 2-1 in their Copa Libertadores match at Lima's Alejandro Villanueva Stadium on Tuesday. The result lifts Vasco to the top of their group with 1
今天学的词组是crank up。Crank up的意思是用手摇柄开动引擎,起动。比如以前一些老式汽车和电话都要先摇几下才能起动 -- You have to crank it up to start it。 作为习惯用语,crank up还有加紧努力的意