Perfidiousness
背信弃义\\n叛卖
📖 牛津释义
perfidiousness
n [U].
🗣️ 情景例句
What kind of personality do you think you have?
你认为你具有哪种性格？
Hope is a good breakfast, but a bad supper.
希望是美味的早点，但又是难咽的晚餐。
There are some magazines on the television.
电视机上放着几本杂志。