Once in the bloodstream, the bacteria adhere to the surface of the red cells.细菌一进入血液里，就附着在红细胞表面上。When our principles run up against our interests, which should we adhere to?当我们的原则和自身利益互相冲突时, 我们应该服从哪一方 呢 ?They failed to a...
Such disputes multiplied in the eighteenth and nineteenth centuries.这类纠纷在18和19世纪大量增多。The problems grew, multiplied, and complicated beyond all reason.这些问题发展了, 增多了, 而且复杂化了,简直不可思议.Hot weather multiplied the bacteria in mil...
异氰酸酯可由含氯的环(或非环)状分子氟化而得.The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.含氯量和孔隙度之间的关系图式也许近似于一条双曲线.The relation between the chlorinity and porosity may be approximated by a hype...
It's our civic duty to plant trees.植树是每个公民的义务。March is the time to plant trees.三月是种树的季节.When we want to have more roses we must plant trees.-G. Eliot英国小说家艾略特....
We'll go to a meeting in Birmingham and come straight back.我们将去伯明翰参加会议，然后马上回来。Helen is also 25 and from Birmingham, but the similarity ends there.海伦也是25岁，也来自伯明翰，但是相同之处仅此而已。Fast work by the police in Birmingham had s...
It is the Kookaburra ( Porcupine ) and Skunk Kingdoms that greet you today.今天是笑翠鸟 ( 豪猪 ) 和臭鼬王国向你们问候.The sound of the cackling kookaburra rang out across the earth.笑翠鸟清脆的叫声响彻地球.Kookaburra sits on an old gum tree.翠鸟坐在一棵老桉树...