🧩 词语组成解析
n. 南森（男子名）
n. 城郭, 外栅
🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
We are happy to be of help.
我们十分乐意帮助。
At first I thought I'd done the right thing, but I soon realized that I'd made a mistake.
开始我以为我做对了，但是很快就发现自己犯了个错误。