exercise/'eksəsaɪz $ -sər-/

n.

➊ physical activity that you do to stay healthy or become stronger

➋ a set of questions that are designed to help you learn sth

v. do physical activities to stay strong and healthy

n.

➊ [U; C] 锻炼，运动；做操：Swimming is good exercise. 游泳是很好的运动。

◇do（或take） exercise 做体育锻炼

◇You can do exercises to strengthen your muscles. 你可以通过做操来增强你的肌肉。

➋ [C] 练习，习题：Do exercises 1 and 2 for homework. 家庭作业做练习1和练习2。

◇a writing exercise 写作练习

v. [I] 锻炼：Do you exercise regularly? 你经常锻炼吗？

音组-ise/aɪz/

advertise; exercise; sunrise; otherwise

常犯错误

✗ Students do morning exercise at 9.

✓ Students do morning exercises at 9. 学生们9点钟做早操。

[✌表示“操”时，多用复数形式，泛指“锻炼”时，用作不可数，表示一种运动方式时，用作可数]

辨析drill; exercise; practice