mid-14c., "a tiler" (early 13c. as a surname), agent noun from point (v.). From c. 1500 as "maker of needlepoint lace." From 1570s as "thing that points;" meaning "dog that stands rigid in the presence of game, facing the quarry" is recorded from 1717. Meaning "item of advice" first recorded 1883.
实用例句
1. Sunday's elections should be a pointer to the public mood.
从周日的选举可以看出公众的情绪。
来自柯林斯例句
2. She tapped on the world map with her pointer.
她用教鞭敲了敲世界地图。
来自柯林斯例句
3. A light pointer is often useful with a slide projector.
光指示器经常与幻灯片放映机一起使用.
来自《简明英汉词典》
4. His symptoms gave no obvious pointer to a possible diagnosis.
