🧩 词语组成解析
knee
[ni]
n. 膝;膝盖;
vt. 用膝盖碰;
🗣️ 情景例句
I was wondering if you could help me. I'd like to know.
不知道你能否帮助我,我想知道。
What's this?
这是什么?
Why not?
怎么会呢?