Catalyst reduction
[化] 催化剂再生
🧩 词语组成解析
🗣️ 情景例句
Am I glad to see you!
我看到你， 真的很高兴！
That's very nice of you. I guess I could use some help.
谢谢你的好意。我想我可能要一点帮助。
Many pedal their tricycles, but most of them prefer to push or drag them.
很多孩子用脚蹬车，但多数孩子更愿意推或是拉着三轮车。