Aetiologist
n. 病因学家；病原学家；原因论学家 (aetiology的变形)
🗣️ 情景例句
I've heard the weather here is ideal, just like spring most of year.
我听说这儿的天气很理想，四季如春。
I'm going to show him how to sing a song.
我正要指点他如何唱歌。
Yes, good idea.
好主意呀。