我们需要长时间的练习来学习如何使用剪刀和如何画画。
We need a long time practice to learn how to use the scissors and how to paint.
您每一次拍照需要多久的时间？在您自己的身上画画需要多久？另外，在创造一个作品的时候，您大概需要多少外介的帮助？
How many hours you need in order to perfect the photographic shot, and the painting of your body. How much help do you need?
公众演讲是一种可以后天习得的技巧，就像弹钢琴或画画那样，可以通过训练学得。当然，这需要一定时间，也需要不断的练习以及行家的指导。
Public speaking is a learned skill, developed much like other skills, such as playing the piano or painting: over time, with practice and some guidance.
在她漫长的医院生活，她需要化疗和放射治疗，Addy会花时间画画，她练习唱歌和跳舞。
During her long hospital visits, chemotherapy and radiation treatments, Addy would spend hours drawing and, when she felt up for it, practicing her singing and dancing.
在她漫长的医院生活，她需要化疗和放射治疗，Addy会花时间画画，她练习唱歌和跳舞。
During her long hospital visits, chemotherapy and radiation treatments, Addy would spend hours drawing and, when she felt up for it, practicing her singing and dancing.
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