a cup圆筒件aart.一(个)；每一(个)；任一(个)n.英语字母表的第一个字母；学业成绩得优者；表示“最好”的符号aqeous humor outflow房水流出, 房水流畅a pool of black gore一滩黑红的血a driving instructor驾驶教练.a career in business从商生涯a newly formed group新组成的小组.A Night at the Opera歌剧之夜a backlog of letters一堆积压的信件a surculose shrub.有吸根的灌木a treacherous action叛逆行为A follower of Gandhi甘地的追随者

1. The new folk song caught on really quickly.
   这首新民歌流行得真快。
2. The singer led off with a popular ballad.
   歌唱家首先唱了一首流行的民歌。