Atrioventricular canal
[医] 房室管
🧩 词语组成解析
a. 房室的\\n[医] 房室的
🗣️ 情景例句
It's like an oven in here. Let's open the windows.
这里快成烤箱了，我们把窗子打开吧。
To fall to pass the exam
考试落榜
I'm very sorry. Usually I'm very careful. I have never lost a book before. It won't happen again.
“很对不起。通常我是非常小心的。我以前从来没有丢过书。这样的事不会再发生了。”