Corrugating
[机] 压波形
🗣️ 情景例句
Sorry, I've got people coming over tonight.
很抱歉，今晚有客人要来。
A beggar's purse is bottomless.
乞丐的钱袋是无底洞。
Without it we could not make a living.
要是没有这条河，我们就无法生存下去。