Plesiosauri
n. 蛇颈龙（等于plesiosaur） (plesiosaurus的变形)
🗣️ 情景例句
Thanks a lot!
多谢了！
I asked him to clean it for me, but he wouldn't.
我请他帮我清理，但是他不肯。
I'm glad to have met you.
很高兴遇到你。