Alkynyl
炔基
🗣️ 情景例句
Thank you for your understanding and cooperation in this matter.
谢谢你们对此事的理解和合作。
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。]
She never pitied me; she never praised me unless what I did was as good as that of the best of a normal person.
她从不怜悯我，她也从不表扬我，除非我所做的事像正常人干的那样出色。