celestial body (e.g. planet, satellite etc); heavenly body[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
有些
yǒu xiēㄧㄡˇ ㄒㄧㄝ
some; somewhat[cedict]
脊椎
jǐ zhuīㄐㄧˇ ㄓㄨㄟ
vertebra; backbone[cedict]
蜕皮
tuì píㄊㄨㄟˋ ㄆㄧˊ
skin cast off during moulting; exuvium; to pupate; to moult; to slough; to cast off an old skin or shell[cedict]