Masterboard
母板
🗣️ 情景例句
Never pump gas with the engine running.
发动机在运转时，别加油。
A policeman pricks up his ears.
一个警察竖起耳朵在认真地听着。
You may pick them up in utter exhaustion, if wind over the sea has driven them to a long journey.
如果海风驱使它们飞行很长距离，你可以捡到一些因筋疲力尽而摔下来的鹧鸪。