熟透了

rip off───偷窃；扯掉；欺诈；剥削

rips off───偷窃；扯掉；欺诈；剥削

rope off───用绳索隔开；围起来

wipe off───除去；还清；洗刷

ripped off───偷窃；扯掉；欺诈；剥削

drive off───赶走，击退

roped off───用绳索隔开；围起来

Ripe apples are beginning to fall off the trees.───成熟的苹果开始从树上落下来了。

When one banana is ripe, it will give off a gas which then helps all the others to ripen.───当一根香蕉成熟了，它便会释放出一种气体催熟其它香蕉。

Ripe apples are beginning to fall off.───从树上摘下一只熟的苹果。