……Chord AB is tangent to the diameter.谁帮我翻译一下这句话啊?

……Chord AB is tangent to the diameter.谁帮我翻译一下这句话啊? 帮我翻译一下这句话It is the purpose of the college to serve students 那请问能不能再帮我翻译一下这句话啊the control for the music player is inside 谁帮我翻译一下这句话? 谁帮我翻译一下这句话?There is no bridge and the river runs too quickly 帮我翻译一下这句话.To grab the men to the well -being you can not.地道, 谁帮我翻译一下这句话,Be slow to promise and quick to perform. there is something for me to eat谁帮我分析一下这句话的句子成分 谁帮我翻译一下这句话what are the meaning of those sentences! 请帮我翻译一下这几句话~I want to make a mental the rascal lives on a ni 谁帮我翻译这句话:Wednesday is the middleday of the week. 谁帮我翻译这句话：The sun is always in the sky.