Diaphragms
n. （机器等的）隔膜( diaphragm的复数形式 ); <解>膈; <物>光圈; （电话机、扬声器等的）膜片
🗣️ 情景例句
I don't know.
我也说不上来。
If you can guarantee on-time delivery with a penalty for late delivery, we can accept your sales price.
如果你能保证用惩罚延误发货方式准时发货，你的销售价我们可以接受。
I can't follow you.
我不懂你说的。