Etiologist
n. 病因学家；病原学家；致病源学家 (etiology的变形)
🗣️ 情景例句
but I don't want to put it off too long.
但我希望不要拖得太久。
He should see the doctor.
他应该去看医生。
We can also use satellites to help us make telephone calls to foreign countries.
我们也能利用卫星帮助我们打国际电话。