Graver: V - shaped steel cutting tool used by engravers . Also called burin.雕刻刀: 雕刻铜版用的槽形钢刀.The eighteenth century was the golden age of the English engravers.18世纪是英国雕刻家的黄金时代....
Still, Fomalhaut appears to be more isolated – lonelier – than Antares.但是北落师门看起来还是比安塔里斯更孤立-孤独.For more information , please call ANTARES GESELLSCHAFT OHG.在我们的网页上继续为您介绍具体的产品信息.Antares is a giant star.心宿二即是一颗巨星....
I still suffer from catarrh and sinus problems.我仍然患有黏膜炎和鼻窦炎。This normal variation in rhythm is known as sinus arrhythmia.节律的这种正常变化称为窦性心律失常.Sinus bradycardia occurs when the heart rate falls below 60.窦性心动过缓是心率低于60次....
What is required to achieve or maintain such viability?要达到或维持这种生存能力需要什么?Scientists are experimenting to find ways to ensure the viability of seeds for even longer periods of time.正如我们所说,科学家正在试验努力寻找让种子的生命力更加延长的方法。These ch...
他住进雪松西奈医院去戒酒。He checked into Cedars Sinai Hospital to dry out.游艇是用雪松木条建造的。The yacht is built of cedar strip planking.风暴严重损害了古老的雪松.The old cedars were badly damaged in the storm....