From the plane window, the vast expanse of the Sahara Desert stretched endlessly toward the horizon.
从飞机舷窗望去，撒哈拉沙漠的广阔无垠一直延伸到地平线。
Which choice best defines “expanse”?
C — Wide, open area. “expanse” means wide, open area.
Which word means “wide, open area”?
C — expanse. “expanse” means wide, open area.
expanse — wide, open area. In Chinese: 广阔，扩展.
expanse is pronounced /ɪkˈspæns/.
From the plane window, the vast expanse of the Sahara Desert stretched endlessly toward the horizon. (从飞机舷窗望去，撒哈拉沙漠的广阔无垠一直延伸到地平线。)
stretch, sweep, tract — all close in meaning to expanse (wide, open area).
narrowness, confine — each the opposite of expanse (wide, open area).
Yes. expanse is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
expand(extend)