early 14c., "free from spiritual pollution," from Old French purefier "purify, cleanse, refine" (12c.), from Latin purificare "to make pure," from purus "pure" (see pure) + root of facere "to make" (see factitious). Meaning "free from extraneous matter" is recorded from mid-15c. Related: Purified; purifying.
实用例句
1. I take wheat and yeast tablets daily to purify the blood.
我每天服用干酵母片以净化血液。
来自柯林斯例句
2. One tablet will purify a litre of water.
一丸即可净化一升水。
来自《权威词典》
3. They open the windows to purify the air of the room.
他们打开窗户清涤室内空气.
来自辞典例句
4. The old people in the mountains plant lindes to purify the forest.