Mdf
[计] 主配线板
🗣️ 情景例句
Lacks enthusiasm, passive and indifferent.
卸乏热情，不主动且态度冷淡。
We used to have a lot of interesting friends.
我们过去常有很多有趣的朋友。
when the plane suddenly turned round and flew back to the airport.
这时飞机突然调转头来，飞回了机场。