Epidemiologic
a. 流行病学
✅ 同义词
🗣️ 情景例句
Philip was a young doctor,
Philip当时是个年轻的大夫
The still sow eats up all the draff.
不声不响的猪吃光全部的饲料。
The demand for our products has kept rising.
要求定购我们产品的人越来越多。