Leapfrogs
v. 跳背, 交替前进, 跃过( leapfrog的第三人称单数 )
🗣️ 情景例句
Hmmm.
嗯。
I'll try, but I may have to work late.
就这样办，不过，昨晚工作怕要很晚了。
He has been sick for three weeks.
他已经病了几周了。