Etiologist
n. 病因学家；病原学家；致病源学家 (etiology的变形)
🗣️ 情景例句
Sir, this offer will expire this week.
先生，这次特价这个礼拜就结束了。
To manufacture automobiles
生产汽车
Were there any letters for me this morning?
今天早上有我的信吗？