原叶体是腐生的, 不规则分枝的地下体.The prothalli are saprophytic, irregularly branched, subterranean bodies.一种小形的、腐生的林地植物,植物体蜡白色或粉白色,有鳞状叶,花下垂;植物体干时变黑.Stem A longitudinal axis upon which are borne the leaves and reproductive organs of th...
That's a skillful piece of bricklaying.那是件精巧的砌砖工作.Now, I'm going to show you something about bricklaying.我现在要告诉你一些有关砌砖的事.We don't train them only in bricklaying, but also in other building techniques.我们不仅仅...
Freight-car loadings continue to slack off.火车货运的运输量继续减少。The boy's jaw went slack.男孩张大了嘴巴。Many publishers have simply become far too slack.许多出版商就是变得过于懈怠了。Envelope the yarn at night slack month spring, Ping is svelte....
Pav é set Dorado crystals shine on refined gold - plated metal elements delicately wrapped around a cotton cord.精致迷人的镀金金属装饰,细致围绕着手链的棉绳,绽放富丽金色密镶水晶的闪烁光彩....
本文论述了利用混合溶剂——结晶法提纯除虫脲的分析技术.The method was established for purification of diflubenzuron by crystal technique with mixed solvents.通过反相液相色谱方法往甲醇与水的混合流动相中加入适当调节剂,分离和测定除虫脲原药中的主要杂质.The separation and determination of the prim...