Prefluxing
预涂熔剂
🗣️ 情景例句
Hi.
嗨。
There is nothing worse than apathy.
哀莫大于心死。
Latham made another attempt a week later and got within half a mile of Dover, but he was unlucky again.
莱瑟姆一周以后也作了一次尝试，飞到离多佛不到半英里的地方。