optional exercise

常见例句

双语例句

• This completes the optional portion of this exercise.
  这个练习的可选部分也完成了。
• Abundant optional colors the entire table, and exercise a sense of clear-cut, it tells you, the original life can be so colorful.
  整个表可选颜色丰富，并且运动感鲜明，它告诉您，原来生活可以如此多彩缤纷。
• That's trune. Just now I said there were four set exercise for women. Besides, there are also optional exercise. They are chosen by the competitor.
  对。刚才我说过女子规定动作有四项，除此之外，还有自选动作，由参赛者自己设计。

权威例句

• The bottom line is that innovation is not an optional exercise.
  FORBES: Inspiring and Enabling Evolutionary Innovation -- From Middle Managers
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