Thanklessly
adv. 徒劳的
📖 牛津释义
thanklessly
adv.
🗣️ 情景例句
I think you have got it, Richard.
我想你已完成了 ，Richard。
Alice did not look at the students.
爱丽斯没有看到学生。
Nobody! She taught herself.
没有人（教）！她是自学的。