拍卖: to auction, auction sale, to sell at a reduced price...
样: kind, type...
奖: prize, award, encouragement...
契机: opportunity, turning point, juncture...
提速: to increase the specified cruising speed, to pick up speed, to speed up...
交换: to exchange, to swap, to switch (telecom), commutative (math), to commute...
勤快: diligent, hardworking...
摇头: to shake one's head...
热气球: hot air balloon...
缩: to withdraw, to pull back, to contract, to shrink, to reduce, abbreviation, also pr....
