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....
火车站上有冲鼻的猫味和臭水沟味。The railway station smelt powerfully of cats and drains.自行车翻倒在一条小水沟里。The bicycle lay upended in a ditch.盲人领瞎子, 两人都会掉进水沟里.If the blind leads the blind, both will fall into ditch....
the curative properties of herbs药草治病的功效Too much is spent on expensive curative medicine and too little on preventive medicine.在昂贵的治疗性药物上花费太多，在预防性药物上的支出则太少。It was found out that certain herbal medicines had curative effec...
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...