✅ 同义词
📖 牛津释义
thanklessness
n [U].
🗣️ 情景例句
I'm sorry, Carl.
很抱歉 Carl。
It seems like I always have bills to pay and he never has any!
我看来好像老是有账单，然而他却完全没有。
I'd say about half of the shipment is unusable.
我看大概有一半的货不能用了。