单词	dayans
释义	同dayan
随便看	chain gear(ing) chain gearing chain gearing--chain drive chain gill chain gill drawing frame chain grab chain graph chain graph model chain grate chain grate stocker chain grate stoker chain-grate stoker chaingrate stoker chain grate stroker chain group chain growth chain-growth polymerization chain guard chain guard device chain guide chain gun chain harrow chain-- heavy-element chain him chain hoist