The developments of manufacturing technology and research on ethylidene norbornene abroad were reviewed with 71 references.介绍了国外亚乙基降冰片烯的生产技术和科研工作的进展情况....
We have been patrolling for days but have seen nothing.我们巡查多日却什么也没发现。Security and Protection Service: including doorkeeper, guardianship and patrolling security services.保安服务: 包括保安门卫服务, 保安守护服务和保安巡逻服务.Police are patrollin...
经过3个周末的追求之后，帕梅拉接受了伦道夫的求婚。After a three-weekend courtship, Pamela accepted Randolph's proposal of marriage.她缺钱花的时候，帕梅拉总是有求必应。Pamela was an easy touch when she needed some cash.帕梅拉对自己那些脏话和伤人的言辞一点也不感到羞愧。Pamela was unre...
Mr Mendes was leading a campaign to save Brazil's rainforest from exploitation.门德斯先生正领导一场运动，以拯救遭到乱砍滥伐的巴西热带雨林。tribes living in remote areas of the Amazonian rainforest居住在亚马孙河雨林偏远地区的部落The rainforest is being systemati...