Perfidiousness
背信弃义\\n叛卖
📖 牛津释义
perfidiousness
n [U].
🗣️ 情景例句
You're a wonderful granddaughter.
真是个好孙女。
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
They were puzzled by several things.
有几件事情使他们感到迷惑不解。