Postacetabular
[医] 髋臼后的
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Today is the first day of spring.
今天是春天的第一天。
Which number do I need, please?
请问我需乘哪路车？