Obligator
[经] 义务人, 债务人
🗣️ 情景例句
The girl always wears a happy smile.
这女孩随时都面带快乐的微笑。
I told him to stay till he comes back.
我告诉他留下来等他回来。
All the bees that had been at the nearby place were doing the circling dance.
所有在近处点的蜜蜂在跳一种完全不同的舞蹈，一种摇摆舞。