昨天在华盛顿举行的中东和谈有了取得进展的迹象。Middle East peace talks in Washington showed signs of progress yesterday.该国的经济困境阻碍了其科研机构的工作进展。The country's economic plight is strangling its scientific institutions.正式确立合作关系将会促进共和国之间合作的顺利进展。T...
这些丁基自由基促使苯乙烯聚合速度加快.These butylraidicals bring about a rapid polymerization of styrene.目的:评价异 丁基 壳聚糖作为生物材料的安全性.Objective To evaluate the bio compatibility of isobutyl - chitosan as a material.同时,文中还论述了溴化丁基再生胶的实用价值.Meanwhi...
A seagull swooped down in front of her car, causing her to slam on the brakes.一只海鸥突然扑到她的车前，她急忙猛踩刹车。She let the door slam.她听任门砰地关上。I was relieved to hear the front door slam...听见前门砰的一声关上了，我松了一口气。When you slam, you should ...