Over successive editions, the cartographers refined their map of the coastline, incorporating more precise tidal measurements.
在连续几个版本中，制图师们精炼了海岸线地图，融入了更精确的潮汐测量数据。
The passage first explains the traditional method of dating shipwrecks using coin finds aboard the vessel, then describes how dendrochronology, the study of tree-ring patterns in the ship's timber, can independently confirm or refine those coin-based estimates.
From a Text Structure and Purpose question · Craft and Structure
- He spent years refining the design and seeking a manufacturer willing to produce it.
From a Rhetorical Synthesis question · Expression of Ideas
The passage first explains the traditional method of dating pottery shards using decorative style, then describes how thermoluminescence testing can independently confirm or refine those style-based estimates.
From a Text Structure and Purpose question · Craft and Structure
Which choice best defines “refine”?
D — To improve something by making small changes. “refine” means to improve something by making small changes.
Which word means “to improve something by making small changes”?
D — refine. “refine” means to improve something by making small changes.
refine — to improve something by making small changes. In Chinese: 精炼，改善.
refine is pronounced /rɪˈfaɪn/.
Over successive editions, the cartographers refined their map of the coastline, incorporating more precise tidal measurements. (在连续几个版本中，制图师们精炼了海岸线地图，融入了更精确的潮汐测量数据。)
polish, perfect, improve — all close in meaning to refine (to improve something by making small changes).
degrade, coarsen — each the opposite of refine (to improve something by making small changes).
Yes. refine is on the SAT Prep Easy list — mid-frequency academic words that do get tested. 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.