Perforation rate
[计] 穿孔速率
🧩 词语组成解析
perforation
[[ˌpə:fə'reiʃən]]
n. 穿孔, 孔眼, 贯穿, 贯通\\n[化] 穿透
rate
[reit]
n. 速度;比率;等级;（利息等的）费率;
vt. 估价;值得;责骂;定级;
vt.& vi. 认为，把…算作;
vi. 被评价;被认为;被列入;申斥;
🗣️ 情景例句
I think I have fallen in love with someone.
我恋爱了。
Doesn't matter what you say.
说了也没用。
Somebody's knocking at the door. I'll answer it.
有人在敲门，我去开。