Plankton 英語作文
Plankton浮游生物Scatteredthroughtheseasoftheworldarebillionsoftonsofsmallplantsandanimalscalledplankton。Mostoftheseplantsandanimalsaretoosmallforthehumaneyetosee。Theydriftaboutlazilywiththecurrents，p...
Plankton浮游生物Scatteredthroughtheseasoftheworldarebillionsoftonsofsmallplantsandanimalscalledplankton。Mostoftheseplantsandanimalsaretoosmallforthehumaneyetosee。Theydriftaboutlazilywiththecurrents，p...