✅ 同义词
📖 牛津释义
thanklessness
n [U].
🗣️ 情景例句
Harvey, how are you?
你好吗，Harvey？
She regrets that she hurt your feelings.
他后悔伤害了你的感情。
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。