[ti:]
[ar:]
[al:]
[by:恒星英语学习网～www.hxen.com]
[00:00.00]K
[00:06.15]key (adj.)重要的，主要的
[00:11.30]kickback (n)回扣
[00:17.92]knockdown (adj.) (价格)极低的
[00:23.23]hxen.com，恒星英语学习网！