Crystallographers
(crystallographer 的复数) 检晶器
🗣️ 情景例句
We are.
我们是。
She asked me which one I'd like, and I said I didn't mind.
她问我要哪一个，我说哪一个都没有关系。[动词时态一致，这是中国人学习英语最头痛的一个问题。]
What happened next?
跟着发生了什么事？