But she added that if harmful, or pathogenic, super-small bugs existed they would be hard to detect.

不过，她补充道，如果超小细菌存在着危害，或者致病性，也很难检测出来。

youdao

But she added that if harmful, or pathogenic, super-small bugs existed they would be hard to detect.

不过，她补充道，如果超小细菌存在着危害，或者致病性，也很难检测出来。

youdao