Nonvisibility
不可见性
🗣️ 情景例句
Let me hear it.
说给我听听。
The meeting is put off.
会议延期了。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡