Epidemiological
a. 流行病学
✅ 同义词
🗣️ 情景例句
I've got a terrible headache and I feel really sick today.
我头疼得厉害，今天觉得很恶心。
With my heart in my boots, I went into the dark room.
我战战兢兢地走进那黑洞洞的房间。
I make them for workers and farmers.
我做完了给工人和农民用？