Catalyst reduction
[化] 催化剂再生
🧩 词语组成解析
🗣️ 情景例句
I see him on the train every day but we are not on speaking terms.
我每天都在火车上见到他，但彼此没有说过话。
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？
But mine are better than yours. Look! Yours are green, and quite small.
但我的比你的好。瞧！你的是青的，而且很小。