The lighter version used liquid hydrogen, the heavier used hypergolic propellants.较轻的推进器采用液态氢, 较重的采用自燃推进剂.Pressure - fed engines are particularly susceptible to dissolved gas in the propellants.挤压 式 发动机对推进剂中溶解的气体特别敏感.Thi...
He had to spend two years bedridden with an injury.他因伤不得不卧床两年。With two children bedridden the mother was ill at ease.两个孩子病得躺在床上,母亲非常焦急.It is especially common in old people who are bedridden.这在卧床的老年人中尤为常见....
A hardy wheat ( Triticum turgidum , formerly T. durum ) used chiefly in making pasta.硬粒小麦一种硬粒麦(硬粒小麦原为粗麦小麦属 ),主要用于制作意大利面食 ( 通心粉及细面条等)Stephen Smith , formerly of Le Monde says this is already happening.《世界报》前编辑斯蒂芬·史密斯说,这已经...
One group of people seems to be forgotten, namely pensioners.有一类人似乎被遗忘了，就是那些领养老金的人。We need to concentrate on our target audience, namely women aged between 20 and 30.我们须针对我们的听众对象，即年龄在20到30岁之间的妇女。The railroad connects two...
她的书信描绘了她在缅甸生活的一幅绝妙图画.Her letters paint a wonderful picture of her life in Burma.缅甸军队成功地重新占领了这个地区.Burmese troops successfully recaptured the region.她从未放弃过她的国籍。即便如此，反对者仍然说她不是真正的缅甸人。She has never given up her nationality. E...
Roland Nilsson last night backed Sheffield Wednesday to win the UEFA Cup...昨晚罗兰·尼尔森打赌谢菲尔德周三队会捧得欧洲联盟杯。Roland Nilsson last night backed Sheffield Wednesday to win the UEFA Cup.昨晚罗兰·尼尔森打赌谢菲尔德周三队会捧得欧洲联盟杯。He stopped to pass t...