You are probably well enough to take a little light exercise.

　　你恢復(fù)得不錯，大概可以做些輕微的運動了。

　　Recent research has thrown new light on the causes of the disease.

　　最近的研究可以使人進一步了解導(dǎo)致這種疾病的原因。

　　He came up to me and asked for a light.

　　他走到我跟前來借火。

　　The lights changed to red before I could get across.

　　我還沒來得及通過，紅燈又亮了。

　　In the light of later events the decision was proved right.

　　從后來發(fā)生的事看，這一決定證明是正確的。