Stretching vibrations
[化] 价键振动; 价电子振动
🧩 词语组成解析
[机] 伸展作业, 锻伸作业
n. 摆动( vibration的复数形式 ); 震动; 感受; （偏离平衡位置的）一次性往复振动
🗣️ 情景例句
It's our school, but we can't vote.
那是我们的学校 ，可是我们却不能投票。
A young married couple moved in next door to us.
一对年轻结婚的夫妇搬到了我们的隔壁。
He was in car number fifteen.Five other cars were just behind him.
他在第15号车里，其他5辆汽车跟在他后面。