Monofrequent
单频(率)的
🗣️ 情景例句
It's not easy, but what is?
这不容易， 但什么事又容易了？
The (or A) beggar may sing before the thief (or footbad).
既是穷光蛋，何虑窃贼偷。
Oh, hello. Could I speak to Ann, please?
噢，喂。请安接电话好吗？