1.sugarcane n．甘蔗(a stout tall perennial grass grows as a source of sugar)
詞根記憶：sugar(糖)+cane(藤條，莖)--糖條--甘蔗
例：Many small sugarcane growers joined together to form an association-of sugarcane producers and began to buy supplies at low group rates.
2.sulfuric a．硫磺的；含多量硫磺的(of, relating to, or containing sulfur especially with a higher valence than sulfurous compounds)
詞根記憶：來自sulfur(n．硫磺)
例：Acid rain and snow result from the chemical reactions between industrial emissions of sulfur dioxide and nitrogen oxides and atmospheric water vapor to produce highly corrosive sulfuric and nitric acids.
3.summit n．峰頂(peak)；最高級會議(a conference of highest-level officials)
例：The climbers placed their country's flag at the mountain's summit.//The president met with his advisors at a secret summit.
4.superb a．上乘的，極好的( splendid)
詞根記憶：super(上等，超越)+b--上乘的，極好的
例：The critic praised the superb movie highly.
5.superficial a．膚淺的(shallow)；粗略的(rough)
詞根記憶：super(上面)+fic(做)+ia--在上面做，表面上的--膚淺的
例：The study was either infrequent or superficial, or both.// a superficial reading粗讀
派生詞：superficiality(n．淺薄)
6.superior a．(to)較好的(better)；n．上級，長官(a person who is above another in rank, station, or office)
詞根記憶：super(上面)+ior--在人之上的人--上級
例：Our products are superior to that of our competitors.//The soldier saluted his superior
派生詞：superiority（n．優越；優勢）
7.superiority n．優越（感）（the quality or state of being superior)
詞根記憶：來自superior(a．優越的)
例：In contrast, the soft-sell approach involves the use of advertising claims that imply superiority more subtly.
同根詞：superstratum(n.上層)
8.supernova n.【天】超新尉the explosion of a star in which the star may reach a maxi-mum intrinsic luminosity one billion times that of the sun)
詞根記憶：super(超)+nova(新星)--超新星
例：Supernovas can produce clouds of high energy particles called cosmic rays.
9.supersede v.替代，取代(to replace)
詞根記憶：super(上面)+sede(塵)--坐在別人的位置上--取代
例：The state law would supersede the local antismoking ordinances.