| 例句 |
They were busy sawing up the logs into two-foot lengths.他们忙着把原木锯成两英尺长的小段。He sawed up the boards into foot-long pieces.他把木板锯成若干个一英尺长的小段。If you find a piece of music hard to play, break it down into small sections and practise each one slowly.如果你觉得一个曲子不好弹，就把它分成几个小段，一段段慢慢地练习。Genetic engineers transpose or exchange bits of hereditary material from one organism to the next.遗传工程师将某一生物的小段遗传物质调换到另一生物，或与其互换。 |