1.stem from 起源于
All my problems stem from drink.
我所有的问题都源于酗酒 。
2.offspring 后代
Eleanor was now less anxious about her offspring than she had once been.
埃莉诺现在不像以往那样为孩子忧心了 。
3.stimulate 刺激
America's priority is rightly to stimulate its economy...
美国的首要任务自然是刺激经济 。
4.susceptibility 敏感性
...his increased susceptibility to infections.
他越来越容易受感染的体质