(3）by:通过……方法，手段 What do you mean by the word“island”？ “island”是什么意思 I prefer traveling by train .我更喜欢乘火车旅 行。
4、其他 (1） of , from ①of 属于)……的，表示…..的数量或种类 It was beginning of the term .这是学期开始的时候。 ②from:来自(某地，某人)，以….起始 She is a lady from Canada .她是一位加拿大的女士。 (2)without ,like ,as ①without :没有，是with的反义词 She often worked for twenty-four without rest .她通常工作24 小时而不休息。 ②like:像……一样 Like many children of her age ,Ding Fang is a Young Pioneer . 像很多同龄的孩子一样同，丁芳是个少先队员。 ③as:作为 They are carrying us as passengers.它们把我们当作乘客 运载着。
.
By the time I arrived ,she had already gone .在我到达
之前，她已经走了。 (7)for：达……之久(表示过了多少时间),可以和一般现在时，过去时，将来时 连用，但是经常和完成时连用。
Florence often worked for twenty-four hours without rest .弗洛沦斯常常工作24小时而不休息。 （8）during：在……期间 During the lifetime of one man ,North America and Europe will more further apart by nearly two metres . 在一个人的一生期间，北美洲和欧洲由于漂移， 其间的距离将要增加差不多两米。
