Rate of perforation
[计] 穿孔速度
🧩 词语组成解析
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;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
perforation
[[ˌpə:fə'reiʃən]]
n. 穿孔, 孔眼, 贯穿, 贯通\\n[化] 穿透
🗣️ 情景例句
I'm not letting you get behind the wheel until you've sobered up.
除非你完全清醒了我才会让你开车。
Liberty often degenerates into lawlessness.
自由随便，经常堕落到无法无天。
Mum and Dad were not at home.
爸爸妈妈不在家。