n.

a quantity of no importance

同義詞：nothingnilnixnadanullaughtciphercyphergoose eggnaughtzilchzipzippo

a mathematical element that when added to another number yields the same number

同義詞：0noughtciphercypher

the quantity that registers a reading of zero on a scale

同義詞：zero point

1. The sniper zeroed in on his target and took the shot.
   狙擊手將瞄準點對準了目標，并開槍射擊。
2. Before using the telescope, you need to ensure it is properly zeroed to get an accurate view.
   在使用望遠鏡之前，你需要確保它已正確調(diào)零，以便獲得準確的視野。
3. He zeroed in on the problem and quickly found a solution.
   他集中精力解決問題，并迅速找到了一個解決方案。
4. The radar system has been zeroed to track the incoming aircraft.
   雷達系統(tǒng)已調(diào)零，以便追蹤來襲的飛機。