控制缩合反应的温度,还得到一种苯并环庚酮和一种苯并环戊烷.One benzosuberone and one benzocyclopentane are synthesized when controlling the condensation reaction temperature.应用3, 5-二烯庚酮-2和 次氯酸钠 反应制备山梨酸.In this paper , we used 3, 5 - Heptadienone and ...
They are anxious to show their abhorrence of racism.他们急切地想要表明自己对种族主义的憎恨。hold sb./sth. in abhorrence对某人/物深恶痛绝Most people have an abhorrence of snake.大部分人都厌恶蛇。His abhorrence of racism led him to write The Algiers Motel Inc...
我怎么知道他会信守诺言呢？How do I know that he will be true to his word?他们信守诺言，离得远远的。They were as good as their word and stayed away.根本不能相信他会信守诺言。He simply cannot be trusted to keep his word....