Please tell me about how dose an air condition system work.Thanks.

tell me about your school,please是什么意思 please write and tell me about yours. Please tell me something about-------(you) Please tell me about your school day. Please write and tell me about ____. Please tell me the equations about pendulum. Please write to me sonn and tell me about yourself. Please write t____ me and tell me about y_____.急用 Please send me mailand tell me about your tell ,about,me,your,please,school（连词成句） Tell me about your school,please.这句话的中文 please tell me about your school day.急用!越快越好 Please write and tell me about yourself中的语法点 please write and tell me about your morning. me and yourself about write please tell 怎么连成句子? write,tell,yourself,and.about,please,me 连词成句 please tell me about your family.改成否定句 please tell me more english about animals!thanks.