Apodidae
雨燕科
🗣️ 情景例句
John proposed marriage to Helen.
绚翰向沦论求婚。
He seems to be the most muscular guy.
他看起来似乎最魁伟。
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。