soak v.浸，泡；浸透
Soak the clothes all night before you wash them.在洗衣服之前，先把它们泡一个晚上。
so-called adj.所谓的，号称的
It was one of his so-called friends who supplied him with the drugs that killed him.正是由于他的一位所谓的朋友为他提供毒品，才最终致使他丧命。
soil n.土壤，土地
The rainstorm washed a lot of soil into the river.暴雨把大量泥土冲到了河里。
solar adj.太阳的
A solar battery traps sunlight and converts it into electrical energy.太阳能电池捕捉阳光，并将阳光转换成电能。
sole adj.单独的，唯一的 n.鞋底
His sole purpose for playing cards is to relax.他打牌的唯一目的是让自己放松。
Janet wears shoes with rubber sole.珍妮特穿着橡胶底的鞋子。
solemn adj.严肃的；庄严的，隆重的
This is a far from solemn book—it is a rich mix of pleasure and information, and is full of surprises.这完全不是一本严肃的书----里面混杂了各种有趣的事和信息，充满了惊喜。
soluble adj.可溶的，可溶解的
Salt issoluble in water.盐可溶于水。
somewhat adv.稍微，有点
He is a nice boy though somewhat slow.他是个好男孩，虽然有些迟钝。
sophisticated adj.（物）复杂的；（人）久经世故的
The diplomat spoke in asophisticated manner.外交官说话的方式非常老练。
sore adj.疼痛的，痛心的
The suffering of her friend made her heart sore.她朋友的不幸遭遇让她很心痛。