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1.spring n．泉(a source of supply)；春天(the season between winter and summer);
v.跳(to leap or jump up suddenly)；出现(to come into being)
联想记忆：sp+ring(铃声)--泉水的叮咚声就好像是铃声--泉
例：His inventions typically spring to life from previous works.
2.sprinkler n．洒水装置：消防喷嘴(a device for sprinkling water or as part of a fire- extinguishing system installed in a building)
词根记忆：来自sprinkle(v.洒，喷洒)
例：The gardener set the sprinkler next to the tomato plants.//Sprinklers can be automatically triggered by the presence of a fire.
3.spruce n．云杉
例：spruce budworm云杉蚜虫
4.spur v.促进，激励(to stimulate)；n.刺激(stimulus)
记：spur的原意是马刺，为使马匹快走--促进，激励
例：Economic recovery of the country spurred its military and cultural expansion.
5.spurious a．假的(false)；伪造的(falsified, forged)
词根记忆：来自spuria(n．伪造的作品)
例：Presently, no objective test for whiplash exists, so it is true that spurious reports of whiplash injuries cannot be readily identified.
派生词：spuriously( ad.伪造地；虚假地)
6.squash n．南瓜(pumpkin)；v．镇压(to put down)；压扁(to crush)
联想记忆：squ+ash(灰)--挤成灰--压扁
例：The strong man squashed the tin can in his fist.
7.squeak n．吱吱叫 (a sharp shrill cry or sound)
例：Dolphins lack vocal cords, but they do create sounds, producing a complicated system of whistles, squeaks, moans, trills, and clicks with sphincter muscles inside the blowhole.
派生词：squeaky(a．吱吱响的)
8.squirrel n．松鼠( any of various small or medium-sized rodents)；v.贮藏(to store up for future use)
联想记忆：松鼠( squirrel)在广场(square)上跑来跑去
例:It was said a squirrel could jump from tree to tree without once touching the ground between New York State and Georgia.
9.stabilize v.使稳定，使坚固(to make stable, steadfast, or firm)
词根记忆：sta(站)+bilize--站稳了--使稳定
例：The yield of natural gas from Norway's Troll gas field is expected to increase annually until the year 2005 and then to stabilize at six billion cubic feet a day.
派生词：stabilization(n.稳定，稳定化)
同根词：static(a．静态的)
n. 尖锐的声音 adj. 尖锐的，刺耳的 v. 用尖锐
