8172.steam(名)蒸气
There was steam coming from the cookingpot.
水蒸气从锅里冒出。

8173.steel(名)钢铁
This cup is made of stainless steel.
这个杯子是不锈钢做的。

8174.steep(形)陡峭的
The steep rock seems to be growing at an angle.
这块陡直的岩石似乎在以一定角度生长。

8175.steer(动)驾驶
He steered the ship carefully between the rocks.
他小心地在礁石间驾驶船。

8176.stepchild(名)妻与前夫或夫与前妻所生的孩子；不受重视的人或物
The commerce Department has for many years been a stepchild of the city government.
多年来商业局一直不受市政府的重视。

8177.stepfather(名)继父
The chirdren spend their holidays with their mother and stepfather.
孩子们与他们的母亲和继父一起度假。

8178.stepmother(名)继母
Why is the boy often chewed out by his stepmother?
为什么这小男孩经常挨他继母骂？

8179.storeo(名)立体音响器材
Television sets and stereo sound sets are now in great demand.
电视机和立体音响设备现在的需求量很大。

8180.stereotype(名)刻板印象
He doesn't conform to the usual stereotype of the city businessman with a dark suit and rolled umbrella.
他不像典型的城市商人那样，穿一身深色的套服、带一把收好的雨伞。

8181.stern(形)严格的
He is stern to his pupils．
他对学生很严格。

8182.steward(名)男性服务员
His neighbor is a chief steward.
他的邻居是一个服务员领班。

8183.stimulate(动)刺激
It can stimulate appetite.
它能刺激食欲。

8184.stimuiation(名)激励
These youngsters need some stimulation to make them work.
为了使这些年轻人工作，需要激励他们一番。

8185.stimulus(名)刺激
Her words of praise were a stimulus for people to work harder.
她赞扬的话刺激人们工作更努力。

8186.stitch(名)一针(动)缝补
(名): The doctor put three stitches in my head.
医生在我头上缝了三针。
(动): The doctor stitched the cut on his head.
医生缝合了他头部的伤口。

8187.stock(名)股票
His stock eaming quadrupled.
他的股票收人已经增至四倍。

8188.stockholder(名)股东
They feared wigs on the green at the annual stockholder's meeting.
他们害怕一年一度股东大会上的激烈争吵。

8189.stockings(名)长袜
惯用复数
Mary's going to buy a new pair of stockings,is not she?
玛丽要买一双新的长袜子，对吗？

8190.stoop(动)弯腰
He stooped to look under the table.
他弯腰往桌下看。

8191.spout(动)喷
后接介词out
Water is spouting out of the pipe.
水正从管子里喷出来。

8192.atraight(形)笔直的
He drew a straight line on the paper.
他在纸上画了一条直线。

8193.straighten(动)使变直
She twitched the corner of the rug to straighten it．
她拉了拉小地毯的一角，把它弄正。

8194.strain(动)(名)拉紧
(动):They strained the rope to pull the boat in.
他们拉紧绳子以便使船靠岸。
(名):The rope broke under the strain.
绳子耐不住张力而断裂。

8195.strait(名)海蛱
The strait was named after its discoverer.
这个海峡是以它的发现者命名的。

8196.strategic(形)战略性的
We made a strategic withdrawal, so that we could build up our forces for a renewed attack.
我们做了一次战略性的退却，以便能积蓄力量再次进攻。

8197.strategy(名)策略
The strategy was designed to wear down the enemy's resistance.
这一策略旨在逐步削弱敌人的抵抗力。

8198.straw(名)稻草
The bird is building a nest of straw and twigs.
这只鸟正在用稻草和小树枝筑巢。

8199.streak(动)快速移动
The cat streaked across the street．
那只猫飞奔过街。

8200.stream(名)流动(动)流出
(名):People kept coming in streams.
人们川流不息地到来。
(动):They streamed out of the cinema.
他们涌出了电影院。

8201.stretch(动)伸出
He stretched his arms for a book.
他伸出手臂去拿一本书。

8202.strict(形)严格的
The teacher is very strict with his students.
老师对他的学生非常严格。

8203.strictly(副)严格地
He dieted the patient strictly.
他严格规定病人的饮食。

8204.stride(动)大步走
不规则变化strode，stridden
China is striding ahead in her economic construction．
中国正在经济建设方面大步前进。

8205.strife(名)斗争
These firms are at strife.
这几家商行彼此斗争。