名詞 sap:

1. a watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant
2. a person who lacks good judgment
   同義詞：fool, saphead, muggins, tomfool
3. a piece of metal covered by leather with a flexible handle; used for hitting people
   同義詞：blackjack, cosh

動詞 sap:

1. deplete
   同義詞：run down, exhaust, play out, tire
2. excavate the earth beneath

1. They are ventilating the sap of a coal mine.
   他們正在使煤礦坑道通風。
2. The sap flowed out when he broke the stem of the flower.
   他把花莖折斷，汁液就流了出來。
3. It was the beginning of the spring and the sap was rising in the boys.
   正當初春季節(jié)，勃勃的生氣在小伙子們身上奔涌。
4. Her long illness gradually sapped her strength.
   長期的患病使她的體力漸漸衰竭。