关于isalivingclockItindi的百科

•  Thefiddlercrab(蟹)isalivingclock.Itindicates(=shows)the...

• 问题详情： Thefiddlercrab(蟹)isalivingclock.Itindicates(=shows)thetimeofdaybythecolourofitsskin,whichisdarkbydayandpalebynight.Thecrab’schangingcolourfollowsaregulartwenty—fourhourplanthatexactlymatchesthedailyrhythm(节奏)ofthesun.   Doesthecraba...
• 2021-03-2222994