Orthoceras
直角石属
🗣️ 情景例句
Well, please sit down
嗯， 请坐下来
Whatever he does, don't say a word.
不管他做什么，你都不要讲话。
Some children were playing games on the bank and there were some people rowing on the river.
河岸上有些孩子正在玩耍，河面上有些人正在划船。