这四枚新邮票是为了纪念英国天文协会成立100周年而发行的。The four new stamps mark the 100th anniversary of the British Astronomical Association.在历史的年代数目和天文年代数目之间存在差别.There are differences between historical and astronomical numbering of years.数学材料是...
肺泡巨噬细胞主要是从骨髓中分化出来的.The alveolar macrophage is derived largely from the bone marrow.肺泡巨噬细胞特别富含各种蛋白质水解酶.The alveolar macrophage is particularly rich in the variety of proteolytic enzymes.病毒或细菌感染肺泡引起肺炎.Virus or bacteria inf...
Book online the cheapest hotels in Galicia - low prices and high discounts.网上预定在加利西亚最便宜的酒店 - 价格优惠折扣多多.A former property registrar from Galicia, Mr. Rajoy shares Galicians'legendary ability to disguise his intentions...
Could you tell her so for me, with my fervent acknowledgments?'你能把我这话向她转达么? 还有,对她的一片苦心我也衷心感谢.”The acknowledgments are usually printed at the front of a book.致谢一般印在书的前面.The receiving Transport layer also sends receip...