Colitis gravis
[医] 溃疡性结肠炎
🧩 词语组成解析
n. 结肠炎\\n[医] 结肠炎
[医]重的，剧烈的
🗣️ 情景例句
till you get to the end of the fence.
到栅栏的尽头。
How thick is the ice here?
这儿的冰有多厚？
Let me help you. Do it like this.
我来帮你，要这样做。