Aetiologist
n. 病因学家；病原学家；原因论学家 (aetiology的变形)
🗣️ 情景例句
Thank you, Mr. Johnson.
谢谢你。约翰逊先生。
No matter what she says, don't get angry.
不论她说什么，你也不要生气。
Who is going to sign the contract for your side?
谁代表你们这一方签约？