Tachomotor
测速电动机
🗣️ 情景例句
Don't mention it. What would you like to drink?
别客气，想喝点什么？
Please turn the light off when you leave.
离去时请随手关灯。
If, as has been reported, they have protected humans from sharks,
正如报道中所说，如果海豚保护人不受鲨鱼侵害，