Read Edit View history 采油 cǎiyóu extraction Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 采油/採油 · cǎiyóu · extraction 2026/03/04 采油 / 採油 cǎiyóu extraction the process of extracting or recovering oil from an oil field 由于技术进步，这个油田的采油效率得到了显著提升。 verb created sense Mar 4, 2026, 02:25 AM