Obst
[医][=obstetrician]产科医生
🗣️ 情景例句
What's the third thing?
第三件事情是什么？
The sanitary engineer collects garbage.
卫生队员收集垃圾。
This result merely confirms earlier American and British studies:
结果仅仅确认了美国人和英国人早期的研究：