Sarcocyte
肉层, 外中层
🗣️ 情景例句
You have a good command of English.
你的英语水平很好。
May I introduce you to my friend Susan?
恕我介绍一下我的朋友苏珊。
My wife and I are walking along the banks of the river.
我和妻子沿河岸走着。