基本解释n.(汽车、火车、飞机等上的)同座乘客同根派生 seatmate相关词英汉例句All I wanted was a chance to read my book, but my seatmate talked my ear off.我巴不得能有机会看书，但我的同桌却唠唠叨叨地说个不停。seatmate更多例句