Rate of drilling
[經(jīng)] 鉆速
?? 詞語組成解析
rate
[reit]
n. 速度;比率;等級;（利息等的）費(fèi)率;
vt. 估價(jià);值得;責(zé)罵;定級;
vt.& vi. 認(rèn)為，把…算作;
vi. 被評價(jià);被認(rèn)為;被列入;申斥;
of
[?v]
prep. 關(guān)于;屬于…的;由…制成;
aux. 助動詞 [非標(biāo)準(zhǔn)用語、方言] =have [主用于虛擬語氣];
drilling
[['dirli?]]
n. 演練\\n[醫(yī)] 鉆
??? 情景例句
I'd like to see your work.
我希望能看到你的作品。
Never put the plow before the oxen.
不要本末倒置。
It was obvious that he was very embarrassed.
顯然他感到很尷尬。