The whole ship shuddered and trembled at the sudden strain.突然的拉力使得整只船剧烈颤动。There was a strain of bitterness in his voice.他的声音听起来有些愤愤不平。Her voice was so low he had to strain to catch it.她的声音很低，他很费力才听得到。...
最幸福的人们并不一定什么都是最好，只是他们懂得欣赏生活的美好。The happiest are not those who own all the best things, but those who can appreciate the beauty of life.你一定注意到他有时候显得特别疲惫。You must have noticed how tired he sometimes looks.“这么说，他的记忆一定是完全恢复了...
纤维素中直链葡聚糖分子由氢键连接在一起.The linear glucan molecules of cellulose are bound together by hydrogen bonds.对葡聚糖的胞饮作用无影响.Pinocytosis of dextran was unaffected.水 、 丙烯晴和半乳甘露聚糖胶,同碱金属氢氧化物在一起,加入到反应器中.Water, acrylonitrile and the galact...
媒体披露的法航A330最后遗言“电力中断、机舱失压”，隐藏着很多可以解读的信息。The air france A330 last words released by the media "power failure, cabin pressure loss", has a lot of scrutable information hidden therein.保护性能试验包括: 1. 过载保护2.缺相保护 3. 失压保护.Protect...