《cycle of activity》閲讀賞析
Weallknowthatthenormalhumandailycycleofactivityisofsome7-8hourssleepalternationwithsome16-17hourswakefulnessandthat,broadlyspeaking,thesleepnormallycoincideswiththehoursofdarkness.Ourpresentconcernisw...
相關cycle的精選知識
「雅思寫作」the Growth Cycle of A Volcanic Island
Thediagramshowsthegrowthcycleofavolcanicisland.Thediagramdemonstratesthenaturalprocessintermsofhowavolcanicislandgrowsfrombeneaththesea,explodes,andtheneventuallysinkstobecomeanunderwaterreef,whichinv...