Sinograptidae
中国笔石科
🗣️ 情景例句
Let's have some music!
我们来点音乐吧！
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
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。