n. 目击者,见证人;[法]证人;证据;
vt. 出席或知道;作记录;提供或作为…的证据;
vi. 做证人;见证;
🗣️ 情景例句
I did.
看到了。
Have you ever been to Japan?
你去过日本吗?
I was doing some exercises on the high-and-low bars. When I landed, I fell forward and hurt myself. Someone was standing too close and I knocked into him and fell over onto my shoulder.