spectator和onlookers区别
1.牛津词典里looker-on:person who watches sth but does not take part in it; spectator; onlooker观者；旁观者 onlooker:person who watches sth happening (without take part in); spectator旁观者 两者意思一样的,可以互换使用.(onlooker中间没有连词符号） 2.我只听说过 what's that under the desk...