v.跳( leap的过去式和过去分词 );猛然行动;骤增;剧增;
例句:
He leaped into the river.
他跳进河里.
The sky was overcast, the ligtning leaped from cloud to cloud.
天空乌云密布, 电光在云块间闪动.
The horse leaped forward.
那匹马突然向前冲.