This paper determined a series of biochemical and physiological properties of Speeded ? growth poplar and Lombardy poplar.测定了速生杨与钻天杨的一系列生理生化特性,结果表明:速生杨的叶绿素、脯氨酸、脱落酸、抗坏血酸、可溶性糖含量、硝酸还原酶和过氧化物酶活性均高于钻天杨.You notice that your bre...
敏感肌肤专用面霜不会破坏皮肤表面的保护层。Sensitive Cream will not strip away the skin's protective layer.从开始孕育时,花芽便具有一层由苞片和鳞片构成的保护层.They have a protective cover of bracts and scales from time of intiation.所有埋设的管道必须涂上保护层,以防生锈腐蚀.All buri...
If a plant has spotted or crinkled leaves, do not use it for propagation.如果植物的叶子有斑点或者萎缩，就不要用来繁殖。My clothes were all crinkled when I got them out of the case.我的衣服从箱子里拿出来时都皱了.Corrensite forms networks of crinkled or folded...
A small group of youths stayed behind to heckle and shout abuse.一小群小青年没走，在起哄、叫骂。Crowds of youths prevented the fire service from dealing with the blaze.成群结队的小青年阻拦消防部门灭火。Underage youths can obtain alcohol from their older...