zero in
短语瞄准具校正
发音
词形变化
释义与例句
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1.
To focus one's aim; to zoom in and center (on something).
The pilot zeroed in on the bunker and launched a guided missile.
Zero in and find a watermark in the image.
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2.
To successfully narrow down a search (for).
We have zeroed in on the source of the problem.
See if you can zero in on the caller.
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3.
To concentrate or focus one's attention (on a task).
One member of the check fraud team will zero in on the fingerprints.
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4.
To converge (on).
习语At the spring sale, everyone zeroed in on the bargain clothes.
词汇关系
词源
The phrase possibly comes from adjusting a sighting mechanism of a firearm to minimise the discrepancy between where the sight points and where a bullet lands on a target. Another possible source is the Cartesian coordinate system in mathematics. In the coordinate system, points are defined relative to an origin (point of reference) labeled O, which has an (x,y) coordinate pair of (0,0).
来源:wiktionary