Rate of drilling
[经] 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];
drilling
[['dirliŋ]]
n. 演练\\n[医] 钻
🗣️ 情景例句
Technology may bring breakthroughs to many currently incurable diseases.
科技能给现在无法治愈的疾病带来突破。
Who do you think you are?
你算哪根葱？
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。