summerlyadj.夏的；夏天似的summern.夏天；夏季adj.夏季的v.度过夏天summer colonists避暑客summer white oil夏用白油summer lightningn.听不见雷声的闪电summer diarrhoea夏痢, 夏季腹泻summer institute暑期学院summer plantinge夏植Summer begins.立夏。summer afternoon夏日下午summer rainfalls夏季降水summer fallowing放牧休闲