Petroleum production
[经] 采油量, 石油产量
🧩 词语组成解析
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
I went to see my doctor for a check-up yesterday.
我昨天为检查去看了医生。
I'd like to look this over before I sign it.
签约之前我想再看过一遍。