Penetration rate
[化] 焊透率
?? 詞語組成解析
penetration
[,p?n?'tre??n]
n. 滲透;穿透;[軍]突破;洞察力;
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
Bye-bye. It's all set. I'm going.
再見。都安排好了。我現在就去。
Jean's mother warned her that men would try to take advantage of her.
瓊的母親警告她，男人會占她的便宜。
He asked me some personal questions, but I would never answer them.
他問了我幾個個人問題，我根本不愿回答。