dry up

柯林斯词典

1. PHRASAL VERB If something dries up or if something dries it up, it loses all its moisture and becomes completely dry and shrivelled or hard. 使…干枯; 干枯
As the day goes on, the pollen dries up and becomes hard. 随着日子一天天过去，花粉变得又干又硬。
2. PHRASAL VERB If a river, lake, or well dries up, it becomes empty of water, usually because of hot weather and a lack of rain. 干涸
Reservoirs are drying up and farmers have begun to leave their land in search of water. 水库正在干涸，农民开始离开田地去寻找水源。
3. PHRASAL VERB If a supply of something dries up, it stops. (供应) 停止
The main source of income, tourism, is expected to dry up completely this summer. 作为主要收入来源的旅游业预计将在今年夏天彻底枯竭。
4. PHRASAL VERB If you dry up when you are speaking, you stop in the middle of what you were saying, because you cannot think what to say next. (讲话时) 语塞
When he turned around and saw her, his conversation dried up. 他转过身来看见她时，他的谈话就出不来词儿了。