Perforation rate
[計] 穿孔速率
?? 詞語組成解析
perforation
[[?p?:f?'rei??n]]
n. 穿孔, 孔眼, 貫穿, 貫通\\n[化] 穿透
rate
[reit]
n. 速度;比率;等級;（利息等的）費率;
vt. 估價;值得;責罵;定級;
vt.& vi. 認為，把…算作;
vi. 被評價;被認為;被列入;申斥;
??? 情景例句
I have good eyesight.
我的視力挺好。
The days are getting hotter.
日子正在變得更熱。
When my old friend Brian urged me to accept a cigarette, it was more than I could bear.
當我的老朋友布賴恩極力勸我接受一枝香煙時，我再也忍不住了。