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
Yes, indeed.
对， 没错。
I would like to call a plumber to come this afternoon.
我要叫一个水管工人今天下午来。
I was walking home when I met Dave.
我碰到大卫时，我正往家走。