演员须善于熟记台词.An actor must be able to memorise his lines.我要熟记所有这些词组.I shall try to memorise all these phrases.我要熟记所有这些词组。I shall try to memorize all these phrases....
许多蕴藏量太小, 质地太不纯.Many of the deposits are too small, too impure.主张语文纯正的人哀叹语言趋于不纯.Purists bemoan the corruption of the language.以为亚细胞组分很纯而实际不纯的情况,一直是植物化学家感到难办的问题.The impurity of supposedly pure subcellular fractions is a co...