🧩 词语组成解析
[化] 美洲土荆芥
[医] 头状骨
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
Is this book his?
这本书是他的吗？
sometimes as much as twelve feet in length.
有时长达12英尺。