经济学人下载: 詹姆斯·沃森:遗传性障碍 (2)

1.stem from 源于
All my problems stem from drink
我所有的问题都源于酗酒。
2.discredit 不信；使...丧失信誉
The photos were deliberately taken to discredit the President.
这些蓄意拍摄的照片旨在败坏总统的名声。
3.range from 从...到...变动
The jobs range from advertising sales to engineering.
工作范围从广告销售到工程师。
4.emerge 浮现；涌现
The swimmer emerged from the lake.
游泳者从湖水中浮出来。