他的祖父和外公都热衷于演说。Both his grandfathers were fired with an enthusiasm for public speaking.这所大学不让迪克·格雷戈里在校园里发表演说。The university refused to let Dick Gregory speak on campus.他的演说很难听懂，他的签名颤颤巍巍地无法识别。His speech was difficult to un...
她戴着一顶褪了色的黑色无边帽,帽上缀着褪了色的假花.She wore a faded black bonnet garnished with faded artificial flowers.我们可以用人造的假花作例证.We may use the illustration of making artificial flowers.桌上有几朵假花.There were some artificial flowers on the tab...
Plants may possibly influence soil chemistry by the possession of chelating mechanisms.植物由于具有螯合机制可能影响土壤的化学特性.The preparation of a new pellet exchanger , namely, 8 aminoquinoline modified chelating cellulose AQCE is descr...
他在那儿的时候体重下降了2英石。He lost two stone in weight during his time there.她戒了酒，但又开始执著于体重问题。She stopped drinking but began obsessing about her weight.早晨开始禁食前，记下你的体重。On the morning before starting the fast, write down your startin...
生根的基质应当是湿润, 透气良好和消过毒的.The rooting medium should be moist, well aerated, and sterile.琥珀酸盐在以后的氧消耗中是最有效的基质.Succinate was the most effective substrate in following oxygen consumption.卵巢皮质的基质中有许多卵泡.The ovarian follicles are e...
The relationship between plant and pollinator is a mutualistic one.植物和授粉动物之间的关系是典生关系.The fig - pollinator mutualism system is maintained by the reproductive relationships.和榕小蜂共生体系是由宿主和共生者之间的生殖配合维系的.They think O - zone in...