Rectosigmoid
[医] 直肠乙状结肠的
🗣️ 情景例句
When I told them
当我告诉他们
I informed her mother of her safe arrival.
我通知她母亲她已经平安抵达。
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。