The low tide exposed a stretch of ancient fossilized coral reef that had been buried beneath the sand for millennia.
退潮暴露了一片古老的珊瑚礁化石，它们被埋在沙下数千年之久。
Because lichens grow extremely slowly and absorb minerals directly from the air and rain, scientists use their size to estimate how long a rock surface has been exposed, a technique called lichenometry.
From a Central Ideas and Details question · Information and Ideas
Contrary to the common assumption that ancient Roman concrete was inferior to modern concrete, recent analysis of Roman harbor structures that have survived intact for two thousand years suggests that certain volcanic-ash mixtures used by Roman builders actually grow stronger over time when exposed to seawater.
From a Central Ideas and Details question · Information and Ideas
In a laboratory experiment, seedlings exposed to brief, intermittent gusts of simulated wind each day developed thicker, sturdier stems than genetically identical seedlings grown in completely still air with the exact same light and water conditions.
From a Inferences question · Information and Ideas
Which choice best defines “expose”?
B — Uncover, reveal. “expose” means uncover, reveal.
Which word means “uncover, reveal”?
C — expose. “expose” means uncover, reveal.
expose — uncover, reveal. In Chinese: 暴露，揭露.
expose is pronounced /ɪkˈspoʊz/.
The low tide exposed a stretch of ancient fossilized coral reef that had been buried beneath the sand for millennia. (退潮暴露了一片古老的珊瑚礁化石，它们被埋在沙下数千年之久。)
reveal, uncover, disclose — all close in meaning to expose (uncover, reveal).
conceal, hide — each the opposite of expose (uncover, reveal).
Yes. expose 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)+pose(put)