Vacillated
v. 摇摆( vacillate的过去式和过去分词 ); 振荡; 波动; 犹豫
🗣️ 情景例句
Hello.
您好。
You look radiant tonight.
你今晚真是光彩照人。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。