Underpinn
v. 从下头支持;支撑;援助
🗣️ 情景例句
I think I've got them all, but I'm not sure.
我想我都已经拍齐了， 但我不能肯定。
We no longer manufacture pure cotton shirts as their retail prices tend only to attract that upper end of the market.
我方已不再生产纯棉衬衫因为其零售价格只能吸引高档消费者。
I work in a middle school near here. I'm a teacher.
我在附近的一个中学教学。我是个教师。