🧩 词语组成解析
[化] 白栎皮; 栎
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
It is never too old to learn.
为学不怕年高。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。