Echinopluteus
[动]海胆幼体
🗣️ 情景例句
All I do is study and take exams.
我要接受所有的学习和考试。
Don't tell anyone!
不要告诉别人喔！
Because the gravity on the Moon's surface is only a sixth of Earth's
由于月球表面的重力仅是地球表面的1/6-