Serpentinite
n. [地]蛇纹岩
🗣️ 情景例句
Are you being waited on?
您需要服务吗？
Don't cast out the foul water till you bring in the clean.
清水未来，莫泼赃水。
You have to be able to plan your work so that all your jobs will be finished in time.
以便你的工作能及时完成。