他的论文几乎可以经受住最专业的审查。His papers were proof against all but the most expert of scrutinies.英国制造业未能经受住20世纪70年代危机的考验。British manufacturing failed to meet the crisis of the 1970s.他们的房子盖得十分坚固，经受住了主震。Their house, which was solidly...
Age structure is a foundational base to study the population dynamics.年龄结构是研究种群动态的重要基础.Objective To search for triterpene glycoside with new structure.目的:寻找结构新颖的三萜皂苷类化合物.The photosphere has a granular structure.光球还有颗粒结构。...
Wally was laughing fit to burst.沃利快要笑破肚皮了.He carried on telling a joke, laughing his head off.他继续讲笑话，自己笑得前仰后合。When I stepped into her box, Marguerite was laughing uproariously.当我走进包厢的时候, 玛格丽特放声大笑.We all just cracked up l...
...a demand for a greater choice of effective contraceptive methods...对于更为多样的有效避孕方法的需求It and removed by a hysteroscope and is expected to be aand permanent intratubal contraceptive device.结果表明,输卵管聚乙烯节育栓有望成为经宫颈途径持久的避孕器.Th...
Currency-conversion costs remain one of the biggest obstacles to cross-border trade.货币兑换成本仍是跨境贸易的最大障碍之一。Creative people are usually very determined and thrive on overcoming obstacles.富有创造力的人一般都意志非常坚定，能不断克服困难，事业蒸蒸日上。To su...