✅ 同义词
📖 牛津释义
thanklessness
n [U].
🗣️ 情景例句
in every appliance store in Riverdale,
在Riverdale的每一家电器行，
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
Here you are.
给您。