Lysogeny is a semi - permanent association between the phage and host chromosomes.溶源性是噬菌体和寄生染色体之间的半永久联合.After reproduction of the viral nucleic acid the host cell usually undergoes lysis ( LYSOGENY ).病毒核酸复制后寄主细胞通常要经历裂解过程...
He was already asleep in the bed, which smelled faintly of mildew.他已经在略带霉味的床上睡着了。From the slope below, the wild goats bleated faintly.山坡下面，野山羊咩咩地轻声叫着。John smiled faintly and shook his head.约翰微微笑了笑，摇了摇头。...
在他们病得很重无法坚持的情况下，我被劝服去临时顶替他们。I was persuaded to step into the breach temporarily when they became too ill to continue.可能要试几次，但还是值得坚持的。It may take a number of attempts, but it is worth keeping at it.为客户提供精美优质的产品, 是我们一贯坚持的目...
All the morning wreaths and crosses of beautiful flowers had poured in.整个上午,饰有美丽鲜花的花圈和十字架蜂拥而入.I poured us a glass of sherry.我给大家倒了杯雪利酒。When nitric acid is poured on copper, a brown vapor gives off.将硝酸倒在铜上, 会散发出一种棕色的蒸气.Ha...
她讲话时斟酌再三，说得非常慢。She spoke very slowly, weighing what she would say.他对自己的每次行动都再三思量是否合适。He wonders about the appropriateness of each move he makes.当局斟酌权衡再三才宣布他们的决定。The authorities took time to pronounce their verdicts....
Diquat is a non - selective contact herbicide and desiccant , developed by ICI Plant Protection Division ( now Agrochemicals ).敌草快,是英国卜内门化学公司 ( 现改名先正达化学公司 ) 开发的 非 选择性接触除草剂和干燥剂.Regenerator is a crucial component in the li...
Not content with rescuing one theatre, Sally Green has taken on another.萨莉·格林不满足于挽救一家剧院，她又接手了另外一家。While a ship is in distress, rescuing passengers from danger is a heroic action.当船遇险时, 营救乘客脱离危险是一种英勇的行为.Leonard was praise...