Sawn
saw的过去分词
🗣️ 情景例句
Mr. Stewart, I just spoke to Mr. Carlson. Stewart
先生， 我刚刚与Carlson先生通了话。
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。]
The problem now facing humanity is: What is going to be done with all this knowledge?
用这些知识去做什么？