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VERB
确认；准确解释（或说明）
If you pinpoint the cause of something, you discover or explain the cause exactly.
例句
It was almost impossible to pinpoint the cause of death.
几乎不可能确认死因。
...if you can pinpoint exactly what the anger is about...
如果你能确切地解释愤怒从何而来
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VERB
精确地确定（或指明）…的位置
If you pinpoint something or its position, you discover or show exactly where it is.
例句
I could pinpoint his precise location on a map...
我能在地图上指明他的准确位置。
Computers pinpointed where the shells were coming from.
计算机确定了炮弹发射的位置。
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ADJ
定点的；定位精确的；非常精确的
If something is placed with pinpoint accuracy, it is placed in exactly the right place or position.
例句
...the pinpoint accuracy of the bombing campaigns.
战略性轰炸的精确定位