Borides
硼化物陶瓷材料
🗣️ 情景例句
Do you have any men's cologne?
你有男用的古龙香水吗？
I can show you other quotations that are lower than yours.
我可以把比贵公司报价低得多的价目表给你看看。
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？