Leapfrogged
v. 跳背, 交替前进, 跃过( leapfrog的过去式和过去分词 )
🗣️ 情景例句
Things look black.
前途暗淡。
How did he get away with cheating?
他是如何考试做弊而未被发现？
We need the best possible quality.
我们要尽可能最好的品质。