🧩 词语组成解析
not
[nɑt]
adv. 不;[用以表示否定、否认、拒绝、禁止等]不是;几乎不;未必，没有[用于否定后面的词或短语];
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
A squirrel cracks the nuts.
松鼠在啃坚果.
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，