Obligator
[经] 义务人, 债务人
🗣️ 情景例句
Great! It's a date.
太好了！ 就说定了。
Many heads are better than one.
集思广益。
While the five babies were babies were still quietly sleeping in oxygen tents in hospital nursery,
眼下，五胞胎还静静地躺在医院婴儿室的氧气帐里，