Muttered
v. 轻声低语, 咕哝地抱怨( mutter的过去式和过去分词 )
🗣️ 情景例句
He likes to be independent.
他独立性很强。
The student is busy studying math.
这个学生忙于研究数学。
There is no doubt about it.
那是毫无疑问的。