成功不是终点，失败也并非末日，最重要的是继续前进的勇气。Success is not final, failure is not fatal: it is the courage to continue that counts.--Winston Churchill与其对你现在所处的位置感到失望，不如乐观地想想你前进的方向。Instead of being disappointed at where you are, think opt...
The smooth surface of the lake reflected the bright full moon.平静的湖面反映出明亮的圆月。A crescent moon peeped out from behind the clouds.一弯新月从云中出现....the first man on the moon...登上月球的第一人The moon waxes and wanes every month.月亮每个月都有圆...
The mechanism of the surface colouration of the flame - retardant nylon product and its application are introduced.介绍阻燃尼龙制品表面着色的机理及其应用.The developments of technologies for plastics colouration with colour master - batche...