Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos.许多林木树种都有颈卵器, 受精以后便产生许多原胚.A similar section through the female plant reveals several bottle - shape archegonia , ...
Parkin recognized that as sound tactics.帕金认为这是一种有效的战术.Parkin was getting close again.帕金走得更近了.Either Parkin was telling the truth, or he was overacting as much as Faber himself.帕金是在讲真话呢, 还是象他菲伯尔那样装模作样呢....
竹子擦着房子的后墙.The bamboos scraped against the back wall of the house.内衬与后墙拉链口袋和中心的隔离带.Interior lining with a back wall zip pocket and center divider.内衬与后墙拉链口袋.Interior lining with a back wall zip pocket....
Officials from Greenwich Observatory have the clock checked twice a day.格林威治天文台的职员们每天对大钟检查两次.The Royal Greenwich Observatory was founded to observe and catalogue the stars.当初创立皇家格林尼治天文台就是为了观察星体并对其进行编目。Few museums could r...