The Greek concentration on geometry blurred the vision of later generations.希腊人之专注于几何迷糊了后世好几代人的视界.the geometry of a spider's web蜘蛛网的几何形状In general, his theories are based on the followings: ancient mathematics, geom...
The truck was trundling along the escarpment of the Zambesi valley.卡车沿着赞比西山谷的绝壁缓缓行进。These Severn Valley woods have been exploited for timber since Saxon times.从撒克逊时代起就开始采伐塞文山谷的这些树林获取木料。Tourists can visit outlying areas l...
Metacercariae may endure in the encysted state for several months.活囊蚴可以在包囊状态中生活几个月.The direct compression and artificial digestion method were used to examine the encysted metacercaria of C.用直接压片法和消化法检查淡水鱼虾体内的华支睾吸虫囊蚴.Obj...