Retroperitoneum
[医] 腹膜后腔
🗣️ 情景例句
All I need is some paint and a canvas, and I'm happy.
我只想要一些颜料和画布，这样我就会很满足。
Could you say it again?
你能再说一遍吗？
Let us suppose that a child suddenly crosses the road in front of you.
让我们假设一个小孩子突然在你前面穿过马路。