light是什麼意思？

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

你恢復得不錯，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瞭解導致這種疾病的原因。

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.

從後來發生的事看，這一決定證明是正確的。