Obviously, the signal had no noticeable effect on the dogs' salivation.

很显然，这种信号对狗的唾液分泌没有效果，是一个无关刺激。

youdao

Obviously, the signal had no noticeable effect on the dogs' salivation.

很显然，这种信号对狗的唾液分泌没有效果，是一个无关刺激。

youdao