我都快忘了，伦敦有时看上去会多么地闭塞。I've quite forgotten how closed in London can seem.以前这一带交通闭塞.In the past this district was very hard to get to.我们这里确实是闭塞.We are really shut off here....
The handrails must be installed where the falling risk existing.只要存在有坠落危险的地方,就必须安装栏杆.We offers quality staircase and stair parts including tread board , baluster, railing, handrails and specs.提供高级实木楼梯及踏板, 栏杆,立柱, 扶手等配件.PP...
在从细菌到有袋类动物的许许多多有机体中,已经发现光致反应系统.Photoreactivation systems have been found in many organisms from bacteria to marsupials.袋熊、袋鼠都是澳大利亚的有袋类动物.The wombat and kangaroo are both marsupials in Australia.接受了墨尔本动物园的外科手术,这个受伤的有袋类动物有...