Preoiler
预先加油器, 预润滑器
🗣️ 情景例句
Yes, I'm ready.
是的，我想好了。
Where did you go for dinner yesterday?
你们昨天去哪儿吃的饭？
but the took a long time to send them Meanwhile,
但过了好长时间不见他把数字寄来，