The nature of the nutritional requirements for obligate parasites in nature is unknown.人们还不知道自然界中专性寄生菌的营养要求的本质.All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligat...
An obligate anaerobe can survive only in the absence of oxygen.专性厌氧生物只能在无氧条件下生存.Anaplasma ovis is an arthropod - borne rickettsial obligate parasite of sheep and goat.绵羊无浆体病是绵羊和山羊红细胞内专性寄生的由节肢动物传播的立克氏体疾病.Paul Ehrlich sees...
MPs have one free trip to Brussels and another to Strasbourg, headquarters of the EC, each year.议员每年可免费去布鲁塞尔和欧洲委员会总部斯特拉斯堡旅行一次。...Strasbourg, with its rambling network of medieval streets...中世纪街道纵横交织的斯特拉斯堡Before coming on...
The hyena's public image is not aided by its ridiculous appearance.鬣狗滑稽的外表无助于改善它在公众心中的形象.It was when we went to that ridiculous state fair in Illinois.就是在我们去参加那可笑的伊利诺伊州博览会的时候.It is ridiculous to suggest we are havin...
目标闭入 - 敌飞机进入本机飞弹照准范围并被锁定.SHACK ON THE TARGET - Missile lock on a aircraft.对于使用免提装置是否照准禁止也正在征询意见.Views are also sought on whether the use of hands - free devices be similarly outlawed....