剑桥词典anything whose name you cannot remember or do not know （不记得或叫不出名字的）东西，玩意儿 Do you have the doodah, you know , the thing you attach to the end of this? 你有那种东西吗，就是固定在这个后面的那种东西？ 习语all of a doodah 返回 doodah