Undulates
v. 波动, 起伏, 呈波浪形( undulate的第三人称单数 ); 使波动, 使起伏, 使成波浪形
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
Life is not so short but there is time enougn for courtesy.
人生虽短，但表示礼貌的时间还是足够的。
She likes Mike a lot, but she doesn't want to get married so early.
她喜欢迈克，但她不想那么早就结婚。