The flower bud of a water lily 百合 opens at sunset since .its opening is triggered(commence) .by the decreased light.
A、alleviated减轻C
暂无解析
Urbanrenewalprogramsstrivetoupgradeareasthatarebecomingslums.
Someanimalspantandsweattospeedevaporationofbodymoistureandthuscoolthemselves.
TheeconomyofDallas,Texas,isstronganddiversified.
Alllivingorganisms,regardlessoftheiruniqueidentity,havecertainbiological,chemical,andphysicalcharacteristicsincommon.
Somechildrendisplayanunquenchable难以抑制的curiosityabouteverynewthingtheyencounter.