🧩 词语组成解析
🗣️ 情景例句
It's a bet.
一言为定。
You are younger than I am.
你比我年轻。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，