central ['sɛntrəl] 词频1 词根: centr

adj. 中央的，中心的;重要的，核心的; n. 电话总局;电话转接员;

💡 centr中心+al形容词后缀 →中心的

"The central issue is that of widespread racism."

近义：switchboard, exchange, centric, centrical, downtown, inherent 反义：marginal, noncore, outlying, peripheric, side, sidelong

region ['ridʒən] 词频1 词根: reg

n. 地区，地域，地带;行政区，管辖区;（大气，海水等的）层，界，境;（学问等的）范围，领域;

💡 reg国王+ ion 表名词 → 属于国王的 → 领域；地区

"The potential of hydroelectricity of one region varies from that of another."

近义：area, land, locality, place, precinct, section

north [nɔrθ] 词频1

n. 北方;北部;（美国南北战争时与南方作战的）北部各州;北方发达国家（尤指欧洲和北美各国）; adj. 北方的;北部的;朝北的;（风，光线）来自北方的; adv. 在北方;自北地;向北方;

"polar bears, denizens of the frozen north"

近义：northerly, northern, northward, northwards 反义：meridian, south, southerly, southern

located [[ləu'keitid]]

a. 处于, 位于；坐落的

近义：localized, situated, embedded, anchored 反义：astray, misdirected, misguided, missing, mistaken, absurd

lakes

n. 色淀；湖泊, 湖畔