单词	semi-perimeter
释义	semi-perimeter 半周长
随便看	building subsystem building sunshine building superintendent building-supply building supply house building supply houses building supply store building supply stores building survey building surveying building surveyor building symbol building system building systems building tax buildingtax building taxes building technician building technique building technology building tenancy building tenancy contract building the nation with science and technology building thermodynamics building thermology 不应有恨不应琴里挑文君不应霜塞晚不废江河万古流不得到辽西不得前矣不得在郎罢前不得收骨肉不得顾采薇不必取长途具领典典主典价典假典册典制典卖典史典吏