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
They dismissed him on the spot.
他们立即开除了他。
When are you off?
你什么时候动身？
They are often more industrious, useful citizens than those who are never late.
他们与那些从不迟到的人相比，常常是更勤奋有用的公民。