🧩 词语组成解析
(koopman 的复数) [人名] 库普曼
🗣️ 情景例句
Oh, working too hard.
噢 ，工作太累人了。
That's the best way to spend your holidays.
那是打法休假最明智的方法。
It must have been a gas that could burn but that would not explode, a gas that did not smell strong, and a gas that did not kill people.
它一定是一种能够燃烧而不能爆炸的气体，一种味道不很强的而且不使人致死的气体。