Tribolite
矿物磨料
🗣️ 情景例句
I think that you're very successful
我认为你事业有成
Thank you for your inquiry, but we cannot make you an offer right now because we are presently unable to obtain appropriate materials.
谢谢贵方询价，但我们不能马上发盘，因为目前我们得不到合适的原料。
This lunch is on me today,
今天这顿饭算我请客。