Biquartz
[光]双石英片
🗣️ 情景例句
We can't get this bow tie tied.
我们打不好领结。
Yes, there is. We can give a 5% discount for orders over 5,000 units.
是的，有折扣，超过5000个我们可给5%的折扣。
I know that he's doing his best, but he says that he is a little weak in Chinese.
我知道他非常努力，但他说他的中文有点儿差。