Graptoloidea
正笔石目
🗣️ 情景例句
Do you want to get together and study sometime?
你想和我一起学习吗？
If you can't remember, just try to guess.
假如你想不起来，就猜一猜看。
I'm sure I can do better than that.
我肯定会超过1分12秒的。