ableadj.能够的；有能力的；能干的ABle to Bear hardship能耐辛劳able-bodied prisoner身体健康犯人able bodied population有劳动能力的人口able suspension bridge悬索桥梁able-bodied labourer强劳动力Able to be wall mounted可以安装在墙上ablepsiacolor blindness色盲able person' s politics科学性able-bodied population有劳动能力的人口Able men are always busy能者多劳

1. He was not in a position to do it then.
   他当时还不能做。
2. What can we do to prevent the disease spreading?
   我们能做什么来防止这种疾病蔓延呢？