Engineers plan to extend the railway line by forty kilometers to connect the remote mountain towns.
工程师计划将铁路线延长四十公里，以连接偏远的山区城镇。
Although caffeine is best known for its stimulant effects, researchers have found that it also enhances the consolidation of long-term memories when consumed shortly after a learning task, suggesting its cognitive benefits extend beyond simple alertness.
From a Central Ideas and Details question · Information and Ideas
- This extended storage reduced the need for daily grocery trips.
From a Rhetorical Synthesis question · Expression of Ideas
Although green tea is best known for its antioxidant content, researchers have found that a specific compound within it also appears to improve the brain's ability to form new neural connections when consumed regularly over several months, suggesting its cognitive benefits may extend well beyond antioxidant effects.
From a Central Ideas and Details question · Information and Ideas
Which choice best defines “extend”?
D — Make longer or larger. “extend” means make longer or larger.
Which word means “make longer or larger”?
D — extend. “extend” means make longer or larger.
extend — make longer or larger. In Chinese: 延伸，扩展.
extend is pronounced /ɪkˈstend/.
Engineers plan to extend the railway line by forty kilometers to connect the remote mountain towns. (工程师计划将铁路线延长四十公里，以连接偏远的山区城镇。)
lengthen, prolong, expand — all close in meaning to extend (make longer or larger).
shorten, curtail — each the opposite of extend (make longer or larger).
Yes. extend 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.
ex(out)+tend(stretch).