Raphe anococcygea
[医] 肛尾缝
🧩 词语组成解析
[医] 缝[际], 种脊(植)
🗣️ 情景例句
and one of them is Columbia.
其中一所是Columbia大学。
He has a writig brush.
他有一支毛笔。
If people don't stop polluting the seas and rivers, there will be no fish left.
如果人们不停止污染海洋和河流的行为，那么，就没有鱼会留下来了。