1.smuggle：v. 走私，偷运
Heroin has been smuggled out by sea.（海洛因已从海上偷运出境。）
2.snail：n. 蜗牛
at asnail’s pace 极慢的
3.snapshot：n. 快照
4.solidary：n. 团结，一致
5.soliloquy：n.自言自语，（尤指戏剧中的）独白
6.soluble：a. 1. 可溶的2. 可解答的
These tablets are soluble in water.（这些药片可在水中溶解。）
7.sombre：a. 1. 暗淡的，阴沉的2. 忧郁的，严峻的
A funeral is asombre occasion.(葬礼是个忧郁的场合。)
8.sore：a. 疼痛的n. 溃疡
Losing the election was a sore disappointment.(竞选失败令人痛心失望。)
9.spade：n. 1. 铲，铁锹2. 纸牌中的黑桃
call a spade a spade 直言不讳
10.sparse：a. 零散的，稀疏的
As we drove towards the desert, the vegetation became sparse.（我们驱车前往沙漠，沿途的草木渐渐变得稀疏。）