Catalyst recovery
[化] 催化剂再生
🧩 词语组成解析
🗣️ 情景例句
That idea would never work in practice.
那种设想永远实现不了。
Friendship cannot stand always on one side.
来而不往非礼也。
Many people find this sort of joke distasteful The following example of 'sick humour' will enable you to judge for yourself.
许多人认为这种笑话是低级庸俗的。下面是个“病态幽默”的实例，你可据此自己作出判断。