Interactant
n. 反应物
✅ 同义词
🗣️ 情景例句
Are you injured, sir?
先生，您受伤了吗？
I can't express how happy I am that you have come.
我无法说出来了我是多么高兴。
Yes, it helped me out a lot.
嗯，收获不少，