Opacus
a. [气](云)蔽光的
🗣️ 情景例句
Let me give you more detail.
让我来详细说明。
I'm going by air.I like flying.
我将坐飞机去，我喜欢飞行。
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，