Perfidiousness
背信弃义\\n叛卖
📖 牛津释义
perfidiousness
n [U].
🗣️ 情景例句
And ...?
而且……
The computer is going to kill me.
我快要被电脑逼死了。
What is the deadline for submitting the quotation?
报价截止日是哪一天？