Etiologist
n. 病因学家；病原学家；致病源学家 (etiology的变形)
🗣️ 情景例句
It's almost lunchtime, and no fish yet.
差不多到午餐时间了， 还没钓到鱼。
I will be going home in October.
我将在十月份回家。
The harder I study, the better my English will be.
我越努力，我的英语就会越好。