Aetiologist
n. 病因学家；病原学家；原因论学家 (aetiology的变形)
🗣️ 情景例句
This is something you'll have to work out yourself.
这就是你必须自己做出决定的事情。
I am pleased to say that we will be able to deliver the transport facilities you require.
很高兴告诉您你方要求的运输设备我方可以发货。
Yes, I have. He's in Sydney, Australia.
有，我有。他在澳大利亚的悉尼。