A recorder is often used in our English class.英语课堂上我们经常使用录音机.She conducted an English class for Chinese students.她给中国学生上英语课.Certainly, we always have some homework after an English class.当然, 我们上完一节英语课后,总要有家庭作业....
他让我忍受这胸前灼烧的痛楚!By giving me this burning torture to bear upon my breast!暴力是在两端同时灼烧的令人上瘾的电流.Violence is an addictive electrical current, which burns at both ends.这位外科医生对这个瘤子采用灼烧的办法.The surgeon cauterized the wart....
How do acids react on metals?酸对金属会起什么样的化学反应?By this mechanism, new phosphatides containing the fatty acids of phosphatidyl choline may be prepared.根据这个原理, 可以制备含有磷脂胆碱脂肪酸的新磷脂.Acylglycerol ( glyceride ) An ester of glycerol...