a sleeveless garment,often having buttons down the front,worn usually over a shirt or blouse and sometimes as part of a three-piece suit是什么意思_a sleeveless garment,often having buttons down the front,worn usually over a shirt or blouse and sometimes as part of a three-piece suit在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句