- 重点词汇
- 手机
mobile phone; cell phone; cellular phone; smartphone; handset; cellular; handphone
- 主题
theme; subject; topic; heading; content; thesis; keynote; subject matter; motif; leitmotif; motive; question; focus; thematic
- 免费
free; complimentary; gratis; courtesy; be free of charge; cost free; cost a dime; cost a penny; for free; at no cost; without payment; grant free of charge
- 下载
download; downloading