Dopers
(doper 的复数) 加油者, 滑脂枪, 滑润油注射剂
🗣️ 情景例句
If you don't apply to the relevant department your passport will never be approved.
如果你不向有关部门申请，你就得不到护照。
By what time should I check in?
我该什么时间办理登机手续呢？
The order will be mailed to you next week.
下星期就寄给你们。