Compressional wave
[电] 压缩波
🧩 词语组成解析
a. 有压缩性的；与压缩有关的
wave
[wev]
n. 波浪，波动;挥手;涌现的人（或事物）;汹涌的行动（或思想）态势;
vi. 摇摆，起伏;
vt.& vi. （一端固定地）飘扬;挥手指引;挥动…示意;略呈波形;
vt. 挥手表示;挥舞;使…略呈波形;烫（发）;
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
When can you pick up your ticket?
你什么时候可拿到车票呢？
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。