Parallelosterism
同晶型组与化学成分的关系
🗣️ 情景例句
Thanks for your help.
谢谢你的帮助。
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。]
You've done very well and made lots of progress.
你功课学得很好，进步很大。