Rate of penetration
[经] 钻井速度, 机械钻速
🧩 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];
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
I'm sure the store has others.
我相信那家店一定还有其它的尺寸。
You had better wash those dirty clothes.
你该去把那些脏衣服洗一洗。
What a great party! I really enjoyed it.
聚会好极了！我真喜欢。