Alkalometry
生物碱测定法
🗣️ 情景例句
Tom, would you give Mr. Johnson Tom
拿给Johnson先生
Sorry, I guess I wasn't thinking. I won't do it again.
对不起。我对这事没想过，下次不这样了。
Last year a journalist had been instructed by a well-known magazine to write an article on the president's palace in a new African republic.
去年，一位记者受一家有名的杂志的委托写一篇关于非洲某个新成立共和国总统府的文章。