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[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.51]2001 Passage5 [00:08.42]When I decided to quit my full time employment [00:11.27]it never occurred to me that I might [00:13.38]become a part of a new international trend. [00:16.51]A la
Fish 鱼 Fish live in water and most fish breathe through their gills. 鱼生活在水中,大多数的鱼靠鳃呼吸。 They have fins, scales, eyes and a mouth. 它们有鳍、鳞、眼睛和嘴巴。 They have a body part for hearing. 它们有接
1. quadrilateral /ˌkwɔdrəˈltərəl/ -- plane figure having four sides and four angles A square is a quadrilateral. 正方形是四边形的一种。 2. collateral /kəˈltərəl/ -- situated at the side; accompanying; parallel; additional; supple
Saturated solutions - Salts such as the apatites do not readily become ionized and dissolve in water. When no more ions can dissolve the solution is said to be saturated. The concentration of ions in
Part four 第四章 An Explanation of Dental Caries 有关龋齿的解释 Why do I have so many cavities,Doctor? 医生,为什么我有这么多蛀牙? It seems that every time I go to the dentist,there are at least three or four new ones. 好像