Calibration of tanks
[机] 油罐校准
🧩 词语组成解析
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];
n. 坦克；贮水池；大容器（tank的复数）
🗣️ 情景例句
But I've never had the pleasure of doing any business with you.
可是同贵公司尚无业务往来。
To deliver the mail
投递邮件
I go to school by bike.
我是骑自行车上学。