当这些聚体达到一定体积时,内部的细胞变成木质化.When the aggregates reached a certain size the inner cells became lignified.木质化足以使细胞变硬和增强.This lignification serves to stiffen and strengthen the cells.细胞壁多发生木质化而次生加厚.The cell wall has undergone s...
The chief editorial writer also blames weak leadership for the current crisis.首席社论员也把当前的危机归咎于领导层软弱无力。He blames you for neglect of duty.他责备你没尽到职责.It is unfortunately true , however, that he blames me for the breakup with ...
During baking, bromates are completely reduced to bromides with no bromination of flour constituents.在焙烤过程中, 不用通过面粉各组分的溴化作用,溴酸盐也会全部彻底地还原成溴化物.Methyl cis - cinnamate was synthesized from ethyl trans - cinnamate by brominat...
Why doesn't it fly apart under the coulomb repulsion of like - charge elements?为什么它不在同类电荷元的库仑排斥作用下散开 呢 ?She gave a dramatic shudder of repulsion.她恶心得直发抖。the forces of attraction and repulsion引力和斥力He looked with repu...