a host of修饰可数名词;表示一大堆;很多的意思; 例句 He has a host of reasons. 他有很多理由。 He has a host of friends. 他有好多朋友。 A whole h...
swim是重读闭音节,所以要双写加ing。 swim v.游水;游泳;游泳(作为娱乐);游;游动; n.游泳; 第三人称单数 swims; 现在分词 swimming; 过去式 swam; 过去...
1.How long have you been living in this country? 你在这个国家居住多久啦? 2.How long can a human being go without sleep? 人不睡觉能活多久? 3.Ho...