单词:Chlorotosylamidoaminoheptanone
单词:Chlorotosylamidoaminoheptanone 相关文章
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January
BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E
大家都知道on the run的意思是“(为逃避警察追捕而)逃跑、躲藏”,可你知道吗,英语中还有一个俚语on the lam,也可以表示此意。 Lam起源于挪威词lamja,
与数字有关的英语词根总结 milli-【千分之一】例:milliampere(毫安)=milli(千)+ampere(安培) centi【百分之一】例:centimeter(厘米)=centi(百分之一)+meter(米) deci【十分之一】例:decibe
Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele