Obstet
abbr. obstetric 产科（学）的; obstetrical 产科的; obstetrics 产科学; obstetrician 产科医师
🗣️ 情景例句
By arranging with the public schools
首先， 从公立学校开始
Just do what it says.
照着做就对了。
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。