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
She was sick so the didn't attend her classes.
她生病了，所以没上学。
To have a discussion with the committee
在委员会讨论
All these cats had one experience in common: they had fallen off high buildings, yet only eight of them died from shock or injuries.
它们都曾从高层建筑上摔下来过，但只有其中的8只猫死于震荡或跌伤。