15. 其他连接词mostly, occasionally, currently, naturally, mainly, exactly, evidently, frankly, commonly, for this purpose, to a large extent, for 转折：but ,however,yet,although,on the contrary,while并列：and,then,first second,or,not onlybut also,bothand,neithernor 解析看不懂？

表示转折关系的连词：主要有but, only, while, when, whereas等。如A great deal has been accomplished, but more remains to be done. He is riding, while 英语写作词汇大全：转折连接词1.by this time 此时2. at the same time 同时3. after a while 过了一会儿4. after a few days 几天以后5. second/ secondly 第二；第二点6. in addi

╯＾╰ 表示转折关系的并列连词。主要有but(但是), yet(可是), while(而，却)等。如：I would have written before but I have been ill.我本该早写信的，但我生病了。英语中表转折的词有：1、一般意义上的“转折”：but, yet, however, nevertheless(然而，不过)(nonetheless(尽管如此，但是)), though。but, yet是连词，however, nevertheless(noneth