Mainsail
n. 大桅的帆, 主帆
📖 牛津释义
mainsail
n
principalsail on a sailing-ship, usu attached to the mainmast （主桅上的）主帆. =>illus at yacht 见yacht插图.
🗣️ 情景例句
It's still raining. I want to play tennis.
仍然在下雨。我想打网球。
What happened, guy?
怎么了，伙计？
Before we had time to worry about what might happen, we were back on the plain again.
我们还未来得及担心后果，车已重新开上了平地。