单词	单一接触操作
释义	单一接触操作single contact operation
随便看	it is a thousand pities that… it is at your discretion it is at your disposal it is a warranty it is a wonder, or for a wonder it is a wonder (that) … it is a wonder that … it is a wonder … it is because you will not, not because you cannot it is best not to go it is better not to go it is between it is blowing terribly it is but a shell it is but a short pass thither it is but seldom it is carefully done or executed it is certainly him it is chinese it is clearly so it is come to this point it is coming on to rain it is considerably larger it is currently believed it is currently belived