Mendelian gene is not a real physical entity but an abstraction or symbol.孟德尔式的基因并不是真正的实体,而是抽象概念或者是说明性的符号.It is rather disappointing that so few of the features show clear - cut Mendelian pedigree patterns.颇使人感到失望的是,只有很少...
By night, the furnaces glowed and the hammers clanged long after townsfolk were abed.到晚上, 直到夜深人静以后许久,工厂里仍是炉火熊熊,铁锤丁当.Claustrophobia and acrophobia in the same place, like two people in abed.反在那里,幽闭症和恐高症同时并存, 就像两小我睡反在一驰床上....