Atrioventricular snlci
[醫] 房室溝, 心冠狀溝
?? 詞語組成解析
a. 房室的\\n[醫] 房室的
??? 情景例句
Birds are good pets, they can wake you up by singing in the morning.
鳥是很好的寵物，它們早上的歌聲可以將你從夢中喚醒。
We'll exchange presents.
我們要交換禮物。
You will not have to spend the next few days recovering from a long and arduous journey.
用不著因為漫長的旅途的辛苦而花幾天時間休息來恢復精神。