By word of mouth 口口相传
2023-07-13 13:57:03 每日学英语
by word of mouth 口口相传;口头的
【例句】
Folk tales are passed on by word of mouth, leaving no written records of who the authors might be.
民间故事是口口相传的，不会留存表明作者身份的文字记录。
The story has been passed down by word of mouth.
这个故事是口头流传下来的。