1.stimulate v．激勵(lì)(to animate)；激發(fā)(to arouse)
詞根記憶：stimul(刺激)+ate(使…)--使受刺激--激發(fā)
例：Therefore, cannabinoids probably function to stimulate the appetite.
派生詞：stimulus(n．刺激)：stimulant(a．激勵(lì)的)
2.stimuli n．刺激(incentive)；刺激物，促進(jìn)因素(sth. that rouses or incites to activity)
記：stimulus(n．刺激：刺激物)的復(fù)數(shù)
例：Rhesus monkeys respond with aggression to a wider range of stimuli than any other monkeys do.
同根詞：stimulate(v.刺激)
3.sting v.蜇，叮(to prick painfully)；n．螫傷(a wound or pain caused by or as if by stinging)
發(fā)音記憶：“死叮”--叮，蜇
例：A hornet sting the boy who swatted at it．//A venomous sting of snakes is often fatal to humans.
4.stinger n.刺(a sharp organ)；諷刺者(one that stings)；雞尾酒(cocktail)
詞根記憶：來自sting(v.刺痛;刺)
例：The honeybee's stinger is heavily barbed.
同根詞：stingy(a．吝嗇的；有刺的)
5.stipend n.薪水；定期津貼(a fixed sum of money paid periodically for services or to defray expenses)
聯(lián)想記憶：stip（點(diǎn)）+end(結(jié)束)--在月末點(diǎn)結(jié)算--薪水
例：Those who lived on fixed stipends found it hard to make ends meet during the period of inflation.
6.stipulate v.規(guī)定：確定(to specify as a condition or requirement)
聯(lián)想記憶：stip(點(diǎn))+ulate--點(diǎn)明了的事情--確定
例：The rich man stipulated that his estate was to be distributed equally to his three sons after his death.
7.stitch n．縫針;針腳(one in-and-out movement of a threaded needle in sewing, embroidering, or suturing)
例：Bill's gash required six stitches.//The stitches in the dress's hem match the color of the dress.
8.stock n．股票(portion of this held by an investor);庫存(a store available)：v.儲(chǔ)備(to put in stock)
例：stock price股價(jià)//buffer stocks調(diào)節(jié)性庫存//The store stocked lots of new cleaning products.
派生詞：stockbroker(n．股票經(jīng)紀(jì)人)：stockholder(n.股票持有人;股東)
9.storefront n.店堂，沿街鋪面(the front side of a store or store building facing a street)
分拆記憶：store(商店)+front(前面)--店堂
例：Those who come to church with a predisposition to religious belief will be happy in an auditorium or even a storefront.