n.卡（熱量單位）；卡路里
=calorie.
How many calories can an ounce of sugar supply? 一盎司糖可以供給多少卡熱量？
Her diet restricts her to 1500 calories a day. 她的規(guī)定飲食限制她每天攝入1500卡的熱量。
An ounce of sugar has about 100 calories. 一盎司的糖含約100大卡的熱量。
