外毒素对几乎所有生命形式包括人有毒. 具有 广谱 杀虫活性.It is toxic to almost all forms of life including humans. It has broad - spectrum insecticidal activity.外毒素是RNA聚合酶的抑制剂,在各个生化过程中与ATP起竞争作用.Beta - exotoxin is an inhibitor of RNA polymerase and...
When he came,he was silent and moody,and after a few sarcastic remarks he went away.他来时默默无言,郁郁不乐,冷嘲热讽一通之后就走了。Lovett's main contribution lay in elegantly sarcastic phrases.洛维特的主要贡献就是说了一些措辞文雅的挖苦话.Mr Bennet was so odd ...
There were distinguishing disfigurements on the suspect's back.那位嫌疑人的背上有明显的损伤.At last some common disfigurements in fine - blanking work pieces were summarized, and some resolvent to them.最后总结了精冲中常见的质量缺陷, 以及解决的方法....
Price quotes on selected product categories will be sent on request.所选产品类别的报价承索即寄。Real people do not fit neatly into these categories.现实中的人是没法简单地归入这些类别的。The problems generally fall into two categories.问题大致分成两类。...
However, this method is not unconditioned because it must not affect the cooling efficiency of hydro - generators.但是, 这一措施必须以满足不对发电机冷却效率产生影响为前提.In the case of sufficiently young chasmic basins high heat flows are due to ...