Etiologist
n. 病因学家；病原学家；致病源学家 (etiology的变形)
🗣️ 情景例句
This is a little difficult for her.
这对她来说有点不习惯。
They will miss him very much when he leaves home for the first time.
李明第一次离开家，他们会非常想念他的。
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。