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1.solvency n．溶解力；償付能力（capability of meeting financial obligations）
詞根記憶：solv(溶解，解決)+ency--溶解力
例：solvency of petroleum spirit汽油溶解能力//financial solvency財務(wù)清償能力
2.songbird n.鳴禽，鳴鳥(a bird that utters a succession of musical tones)；女歌手(a female singer)
分拆記憶：song(唱)+bird(鳥，鳥類)鳴禽：女歌手
例：They observed no significant effect on songbird nesting success.
3.sophisticated a．老練的，精通的(experienced)；（儀器）復(fù)雜的(highly complicated)
詞根記憶：來自sophisticate（n．老于世故的人）
例：The increase in access to literary classics will create a sophisticated reading audience.//This technique requires sophisticated computer programs.
4.sovereign n．君主(emperor)；元首(ruler with sovereign)
聯(lián)想記憶：sove(看作over在…上)+reign(統(tǒng)治)--高高在上的統(tǒng)治者--君主
例：the sovereign of the seas海上的霸主
派生詞 ：sovereignty [n.君主；主權(quán)（國家）]
5.span n.跨度(an extent, stretch, reach, or spread between two limits);一段時間(a period of time)
注意：wingspan(n.翼展)
例：life span壽命//time span時間間隔
6.sparse a．稀少的，貧乏的（of few and scattered elements）
聯(lián)想記憶：稀少的(sparse)火星(spark)
例：The population is very sparse in that remote, mountainous area.
7.spate n.大批，大量(a large number)
例：a spate of books許多書
8.spatial a.空間的(relating to, occupying, or having the character of space)
詞根記憶：來自space(n.空間)
例：Human beings can see the spatial relations among objects by processing information conveyed by light.
9.spawn n．卵(eggs);v．大量產(chǎn)生：引起(bring forth, generate)
聯(lián)想記憶：大蝦(prawn)產(chǎn)卵(spawn)
例The computer industry has spawned hundreds of new companies.//spawn revolt激起叛亂
n. 人口 ，(全體)居民，人數(shù)
