In graphite sheets, carbon atoms bond together in rings.石墨层中的碳原子相互连接形成碳环。More normal auroral rings had been previously imaged around Saturn.更多正常的土星环行极光被拍摄到.When the bell rings, more than 1,000 children spill from classro...
举国上下哀悼敬爱的领导人.The whole nation mourned the death of a much - loved leader.人们因他的高贵品质而敬爱他.People adore him for his noble character.这位是我敬爱的朋友, 屈兰奇大夫.My valued friend, Dr Trench....
There are problems in recruiting suitably qualified scientific officers for NHS laboratories.很难为国民医疗保健系统的实验室招募到资历合适的高级科研人员。Arguably, 1932 was the year of greatest achievement at the Laboratories.可以说1932年是该实验室最有收获的一年。Ther...
The drift of the icebergs in the sea endangers the ships.海上冰山的漂流危及船只的安全.The spread of urban areas endangers wildlife.扩大城市面积危害着野生物.Any deviation from this pivotal task endangers our material base.离开了经济建设这个中心,就有丧失物质基础的危险....