这个阶段星云的大小与其质量成反比。The size of the nebula at this stage is inversely proportional to its mass.对暗星云的研究被一种新发现所推进.The investigation of dark nebulas has been facilitated by a new discovery.形成行星状星云的这一图象可能会引起许多异议.Many objections...
The two men leaped into the jeep and roared off.两名男子跳上吉普车，疾驰而去。Matcham steady and alert, at a sign from Dick, ran along the thwarts and leaped ashore.麦青机警 、 镇静地照着狄克向他做的手势,急急地沿着船上的座板,跳到岸上.His name leaped out at me from th...
我们必须像外科医生拿手术刀时一样冷静客观，不受任何感情影响。We must be as impersonal as a surgeon with his knife.这是当年白求恩大夫用的手术刀.This is the scalpel which Norman Bethune used in those days.医生慢慢地把手术刀从病人的胃里拉出来。The doctor drew the lancet out slowly from ...
Inside, you'll find hand - sewn bindings and glued - on colored paper.里面, 你会发现手工缝制约束和胶合板 - 有色纸.The Italians think they've got it all sewn up.意大利人以为他们已稳操胜券。Note there are three cusps sewn into a synthetic ring.可...
他知道的乡下问题可多咧. 于是他说到地名“栗坳”的新闻.Finding this stranger congenial, he volunteered all sorts of information about the countryside.临邑洼陷是济阳坳陷惠民凹陷的次级负向构造单元.Linyi sag is a subsidiary negative structure element in Jiyang depression....