Protopteridium
原生蕨属
🗣️ 情景例句
He is not very interesting to talk to.
跟他谈话没味道。
Does John have a yellow pencil?
约翰有一支黄铅笔吗？
I'm Jim-Jim Green. This is my friend, Bill-Bill Smith. He's American.
我叫吉姆格林，这是我的朋友比尔斯密斯。他是美国人。