重點講解:
1. serve as 用作;可當…使用;充作;
The sofa will serve as a bed for a night or two.
沙發可以當床湊合一兩夜 。
2. quench one's thirst 解(渴);止(渴);
He stopped to qu ench his thirst at a stream.
他停了下來,在小溪邊飲水止渴 。
3. hint at 暗示;示意;
A character's appearance may hint at her past.
一名角色的形象可能暗示其過去的經歷 。
4. by accident 意外;偶然;
She discovered the problem by accident.
她碰巧發現了這個問題 。
n. 濕度,濕氣