Warbled
v. 用柔和的颤音唱；鸟鸣（warble的过去分词）
🗣️ 情景例句
And if you don't?
要是你找不到呢？
He that talks much erre much.
言多必失。
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。