打通: get through; open up; thirl; thurl 短语和例子打通思想 straighten out sb.'s thinking; talk sb. round; 电话打不通 be unable to get through (on the telephone); 打通一条新的运输线 open up a new transportation route
吗: 吗助词1.(用在句末表示疑问) 短语和例子身体好些了吗? are you better? 明天她来吗? will she come tomorrow? 你不能走快点吗? can't you walk a little faster? 再来点儿饭好吗? won't you have more rice?2.(用在句中停顿处, 点出话题) 短语和例子汽油吗 , 还是省着用吧。