
好词典

源自拉丁语 'lac'(奶)和 '-ate'(化学后缀),17世纪首次用于描述乳酸盐,19世纪引申出泌乳的动词含义。
❶ 指哺乳动物分泌乳汁的行为,特指母亲为幼崽提供营养的生理过程。
“Mammals lactate to feed their newborns.”
(哺乳动物通过泌乳来喂养新生儿。)
“The mother dog began to lactate after giving birth.”
(母狗分娩后开始分泌乳汁。)
❶ 指乳酸盐,一种在剧烈运动时肌肉产生的化学物质,会导致疲劳感。
“Athletes often experience muscle burn due to lactate buildup.”
(运动员常因乳酸堆积而感到肌肉灼烧感。)
“The body clears lactate during recovery periods.”
(身体在恢复期间会清除乳酸。)
lactate threshold — 运动生理学术语,指身体从有氧运动转为无氧运动的临界点,此时乳酸快速积累。
“Runners try to increase their lactate threshold through training.”
(跑者通过训练试图提高自己的乳酸阈值。)