lactic acid

音标发音

Lactic Acid and Friendly Bacteria: Contribute to the health of the digestive tract. Found in old fashioned lacto-fermented foods.
乳酸和益生菌：乳酸和益生菌对机体的消化系统非常有益，它们能够在传统的发酵性食品中获得。
Kimchi has antibiotic functions as lactic acid bacteria produced in the process of fermentation suppresses growth of harmful bacteria.
由于在发酵过程中产生的乳酸菌抑制了有害菌的生长，所以泡菜有抗生素作用。
That can lead to a buildup of lactic acid in your muscles, so swimming a few laps too soon after lunch could cause a sudden (though not fatal) cramp.
这会导致肌肉中的乳酸增加，所以饭后马上游几圈的话会导致急性（并非致命性）抽筋。

The lactic acid in it supposedly helps dissolve dead skin cells and aids cellular regeneration.
FORBES: Getting Milked
Its precursor, molecules of lactic acid, exists in two forms, so-called left-handed and right-handed versions.
FORBES: Magazine Article
Bacteria which produce putrefaction and gas in the intestines cannot live in lactic acid.
FORBES: Does genetically modified corn cause cancer? A flawed study fails to convince.

an acid that exists in sour milk and is produced in muscles after a lot of exercise

Lactic acid is a type of acid which is found in sour milk and is also produced by your muscles when you have been exercising a lot.

乳酸
The acidity of finished acidified malt was 1.5%-2.5% (lactic acid).
成品酸麦芽含酸1.5％—2.5％（以乳酸计）。
化学
乳酸
PLA has been produced by ring-opening polymerization of lactide or direct polycondensation of lactic acid.
制备聚乳酸常通过乳酸的直接聚合或丙交酯的开环聚合两种方法。
丙醇酸
2-羟丙酸