Graptozoa
笔石纲
🗣️ 情景例句
I'll hold on to them for you.
我为你保管吧。
Lots of people like stamp collecting.
许多人喜欢集邮。
The man smiled pleasantly.He did not understand English! He spoke German.He was a tourist.
这人友好地笑了笑。他不懂英语！他讲德语。他是个旅游者。