Holothurioidea
[医]海参纲
🗣️ 情景例句
I have learned the most important language by meeting a wide range of people from different cultures.
我接触到许多来自不同文化的人，掌握了最重要的语言。
The agricultural region is centered largely in the north.
那里的农业区大部分集中在北部。
As soon as he opened his mouth, everyone burst out laughing.
但他刚一开口说话，人们便哄堂大笑起来。