saps

[sæp]

[ saps ]

n.树液, 汁液, 精力, 易上当的人,地道
v.挖地道,削弱, 逐渐耗竭

例句与用法：

They are ventilating the sap of a coal mine.

他们正在使煤矿坑道通风。

The sap flowed out when he broke the stem of the flower.

他把花茎折断，汁液就流了出来。

It was the beginning of the spring and the sap was rising in the boys.

正当初春季节，勃勃的生气在小伙子们身上奔涌。

Her long illness gradually sapped her strength.

长期的患病使她的体力渐渐衰竭。

词形变化：

动词过去式: sapped | 动词过去分词: sapped | 动词现在分词: sapping | 动词第三人称单数: saps |