Doubtfulness
n. doubtful（不大可能的）的变形
✅ 同义词
🔴 反义词
🗣️ 情景例句
has agreed to take care of him for the weekend.
同意在周末照顾他。
The restaurant is on the second floor.
那餐厅在二楼。
Are these your apples?
这些是你的苹果吗？