Echinoidea
[医] 海胆纲
🗣️ 情景例句
If it ain't broke, don't fix it.
东西还没坏，就别急去修它。
You'll fall, if you don't take care.
你不专心的话，就会跌倒。
right living, and the need for abandoning bad habits etc.,
生活有规律、需要克服坏习惯等等，