✅ 同义词
📖 牛津释义
thanklessness
n [U].
🗣️ 情景例句
Floors one to eight are the elevators to the left.
一到八楼上下使用的电梯在左边。
No matter what she says, don't show you are afraid.
不论她说什么，你也不要让人知道你害怕了。
What is the minimum we would have to order.
那么我们至少得订多少呢。