Osteolite
n. [矿]土磷灰石
🗣️ 情景例句
Mr. Carlson is busy at the moment. May I help you?
Carlson先生现在正忙着呢。我可以为你效劳吗？
You bet!
当然！
Why not take a friend with you?
为什么不邀上个朋友和你一起去呢？