cut them down:把它们砍倒。 cut down them这种结构不存在。 cut down这种短语动词是实义动词加副词构成的。放后面跟宾语时，如果作宾语的词是名词，那么这个作宾语的名词可以放在动词的后面，也可以放在副词的后面。如果是代词作宾语，代词不能放在副词的后面，只能放在动词的后面。 例句： There are some trees on the hill, and a few people are cutting down the trees. 也可以说： There are...
应该是cut down The israelis have also cut down thousands of trees near the jewish settlements . 以色列人已经砍倒了犹太定居点附近的数千棵果树。 The pioneers cut down forests and planted crops . 拓荒者们砍伐树木种上庄稼。 He tried to cut down on smoking but failed. 他试图少抽烟，但没成功...
cut down是减少、削减的意思，表示直接把后面sth去掉或砍掉。 如：cut down production 减少产量 cut down on 表示“减少……的量”，表示把sth 的量减少一部分。 如：The doctors have told me to cut down on smoking. 扩展资料 You need to cut down on starches. 你有必要少吃些含淀粉的东西。 I won't have a cigarette, thanks ─...