adj.[生](細(xì)胞或微生物的培養(yǎng))生活期有限的
動(dòng)詞span的過(guò)去式及過(guò)去分詞形式.
A bridge spanned the stream. 一座橋橫跨這條河流。
Emily is a Londoner born and bred and, for a woman some years past the allotted span, of a truly remarkable vigour and alertness. 埃米莉生在倫敦長(zhǎng)在倫敦,雖已年逾古稀,但實(shí)在令人驚訝的是,她仍精力充沛,耳聰目明。