Ofda
abbr. 美国对外灾难援助办公室
🗣️ 情景例句
Don't be mixed up in such business.
不要跟这种事有所关连。
Certainly not.
一定不是。
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。