Etiologist
n. 病因学家；病原学家；致病源学家 (etiology的变形)
🗣️ 情景例句
Oh, Somebody's at the door. I have to go.
哦，有人来了，我得去开门。
It's no sin to sell dear, but a sin to give ill measure.
高价卖不为过，短斤少两才有罪。
Is this your first order?
您这是第一次订货吧？