Stratas
(strata 的复数) pl. 层, 地层, 阶层\\n[医] 层
🗣️ 情景例句
My head is killing me.
我的头疼死了。
You are welcome.
不客气。
With practice, no doubt, I could in time learn to write by holding the pen still while the paper moved.
毫无疑问，经过练习，我最终能够学会笔不动而纸动来写字。