Unperceivable
a. 察觉不出的,感觉不到的
✅ 同义词
🔴 反义词
🗣️ 情景例句
It's no use crying over spilt milk. What's done cannot be undone.
覆水难收。
He has never been out of China, so he is very excited about liveing abroad.
他以前从未出过国，因此对出国很兴奋。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是，还有一种更加隐蔽有害的污染，它专门影响城镇地区，侵袭我们的日常生活，那就是噪音。