有害的隐性基因在正常菌木中不表现出来.In normal seedlings the deleterious recessive genes are not expressed.为什么你不表现得聪明点立刻离开 呢 ?Why don't you show me how smart you are by leaving right now?勇气,是努力让自己小气 、 嫉妒的一面,不表现出来.Courage is trying to...
Conditions were ripe for an outbreak of cholera.霍乱即将暴发。Cholera is a bacterial infection.霍乱是一种细菌感染。An inoculation against cholera is recommended.建议注射预防霍乱的疫苗。...
Bertha watched the lengthening days, the coloured crocus spring from the ground, the snowdrops.伯莎注意到那逐渐变长的白天, 注意到那些从地面冒出的五彩缤纷的藏红花和那些雪花莲属植物.And tITe, bravely waving in the wind , were one pink crocus.就在那里, 有一株粉红色的番红花却在不屈地...
Here, at long last, was the moment he had waited for.他等待已久的时刻终于到来。At ( long ) last he knew the meaning of life.终于,他知道了生命的意义.He was argued out of his opposition at long last.他终于接受劝说,不再反对了....
而环氧粉末涂料的固化反应只有环氧树脂与固化剂 - 双氰胺的交联反应.The cross - linkedstructure of epoxy and phenolic resins increased because of the crosslinking between the two resins.研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响.The effect of acidity on synthesis of phen...