Lepidocentroida
鳞海胆类
🗣️ 情景例句
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
These buildings are supposed to be earth quakeproof.
这些建筑物是耐震建筑才对。
Because he doesn't like school!
因为他不喜欢上学。