1. spectacular
a. 壮观的，引人入胜的：a spectacular firework display 颇为壮观的烟火表演
n. 壮观的演出，惊人之举
2. speculate
vi. ①(about，on) 推断，推测：speculate upon the origin of the universe 推究宇宙的起源
②投机，做投机买卖：speculate in stocks 做股票投机
3. speed
n. ①快，迅速：It's dangerous to corner at speed.
②速度，速率：If he can maintain this speed, he will win the race.
vt./vi. (sped，sped) ①速进，急速行进：The boy sped down the street.
② (up) 加速：The heart speeds up.
speed up 使加速
4. spread
vt./vi. (~，~) ①伸开，展开：The bird spread its wings.
②传播，散布：spread news 散布消息
③涂，敷：The colour is not evenly spread.
n. 传播，蔓延：the spread of education 教育的普及
spread out (人群等)散开;延伸
5. spur
n. 激励，刺激(物)：This book is a spur to the child's imagination.
vt./vi. (-rr-) 鞭策，刺激：She spurred her team on to greater efforts. 她鼓励她的队作出更大的努力。
on the spur of the moment 一时冲动之下，当即
6. state
n. ①状态，状况：I'm very concerned about the state of her health. 我非常关心她的健康状况。
②国家，政府：a neutral state 中立国 ③(常作 State) (美国等的)州
vt. 陈述，阐明：He stated that he didn't agree with the proposal.
7. stimulating
adj. ①使人振奋的：
I find swimming the most stimulating form of exercise. 我发现游泳是最令人振奋的锻炼方式。
②起激励作用的：
We had a most stimulating conversation. 我们进行了一次颇有启发性的谈话。
8. submit
vt. ①屈服，认输: He was losing the fight but he would not submit. 他在拳击中正节节败退，但是他并不服输。
②提交，提出建议：We are submitting the proposal to the committee for their approval. 我们把建议提交委
员会审批。
9. sufficient
a. 充分的，足够的：There was sufficient food for everybody. 有足够所有人吃的食物。
10. superb
a. ①宏伟的，壮丽的：a superb building 壮丽的建筑
②高质量的，极好的：The food was superb.