Ostium primum
[医] 原中隔孔, 原中隔口, 第一中隔孔, 第一中隔口
🧩 词语组成解析
n. 口, 门, 孔\\n[医] 口, 门口
[医]氟硝安定（安眠药，麻醉诱导药），原始的
🗣️ 情景例句
I really want Harry and Michelle to see Max.
我真希望Harry和Michelle来看看Max。
I ask him to do the washing now.
我要求他现在做洗涤工作。
Then the Class 2 runner dropped his stick on the ground when he was passing it on to the fourth runner.
忽然2班的运动员在传棒给第四个运动员时，把棒弄掉到了地上。