肺细胞约每周新老更替一次。Lung cells die and are replaced about once a week.昼夜更替.Day and night alternate.从事高等教育的人员新老更替极其缓慢。There has been very little renewal of personnel in higher education....
一道冰冷的光线透过天窗漫射进来。A cold, diffuse light filtered in through the skylight.带天窗的斜屋顶连接着两边的山墙。It has a dormer roof joining both gable ends.他把屋顶阁楼改成卧室并装上天窗.He converted the attic into a bedroom and put in a skylight....
A funereal urn awaiting a few tears?你可是等待几滴眼泪的一只骨灰瓮?The cabinet is surmounted by a finely cast gilt bronze urn finial.内阁是克服了一套精心铸造金铜瓮顶尖.a mortuary urn骨灰瓮The urn was unearthed entire.这只瓮出土完整无缺.Ode on a Grecian Urn.希腊古瓮之歌(...