英语翻译They serve the purpose of changing hydrogen into breatha

英语翻译Woman:"They serve the purpose of changing hydrogen into 英语翻译W:"They serve the purpose of changing hydrogen into brea 1.they serve some sort of purpose The changing image of the family on television provides into 帮我翻译一下这句话It is the purpose of the college to serve students 英语翻译In my neighborhood I could serve as the all-purpose Asia Changing of the 英语翻译the purpose of science and the responsibilities of scien the most common form of hydrogen has 英语翻译write these sentences again changing the position of the The order was split into 2 parts for the purpose of ease of 英语翻译This type of weak attraction between the hydrogen atom o