Perfidiousness
背信弃义\\n叛卖
📖 牛津释义
perfidiousness
n [U].
🗣️ 情景例句
But if they don't, I'll adopt her.
如果找不到，我就收养 。
Learn to creep before you leap.
循序渐进。
A lot of people can't tell the difference between an American accent and a Canadian accent.
许多人分不出美国口音和加拿大口音的差别。