Undetectable
[ ['ʌndi'tektəbəl] ]
其它 Other
a. 无法觉察的, 无法发现的
🗣️ 情景例句
No. Pete wants to tell you ...
不是。Pete要告诉你们……
I've forgotten what he said his address was.
我忘记了他说他的地址是什么。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。