圆周上各点离圆心的距离相等。All points on a circle are equidistant from the centre.圆周内两直径必相交.Any two diameters of a circle intersect each other.圆的直径与圆周有相互关系.The diameter and the circumference of a circle correlate....
She sighed and flicked a dishcloth at the counter.她叹了一口气,然后用洗碗布轻掸着柜台。She soaked her dishcloth in some diluted disinfectant.她把抹布泡在稀释的杀毒剂当中.I got the dishcloth spitefully scrubbed Edgar's nose mouth, affirming It'...
He was afflicted always with a gnawing restlessness.他老是被一种叫人苦恼的不安情绪折磨着.A terrible restlessness that was like to hunger afflicted Martin Eden.一阵可怕的、跟饥饿差不多的不安情绪折磨着马丁·伊登.This quality was continually breaking through his pun...
Objective To investigate the expression of the interleukin - 8 ( IL - 8 ) in epiretinal membranes ( ERM ) of eyes with proliferative vitreoretinopathy ( PVR ).目的 观察增生性玻璃体视网膜病变 ( Proliferativevitreoretinopathy,PVR ) 的视网膜前...