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...
表示某人没义务做某事.State some body is under an obligation to do something.询问你是否不义务做某事.Asking if you are under an obligation to do something.有义务(做某事 )Be in duty bound to do sth....
The memory expansion cards are useful adjuncts to the computer.内存扩充卡是计算机很有用的附件。the expansion and contraction of the metal金属的膨胀与收缩a period of rapid economic expansion经济迅猛发展期...
公众纷纷来信对报社新近发表的社论提出诘问,弄得报社应接不暇.The community besieged the newspaper with letters about its recent editorial.他遭到无情的羞辱和诘问。He was insulted and heckled mercilessly.人群里激起了惊奇和诘问的喊声.There was an eddy of surprise and interrogatio...