Even though you have no chance to draw at school, you can practice by drawing at home.
即使你在学校没有机会画画，你也可以在家里画画来练习。
2
Teachers must think systematically about their practice and learn from experience, seeking the advice of others and drawing on education research and scholarship to improve their practice.
教师必须系统地思考实践，吸取经验，虚心求教，借鉴教育研究和学术成果，提高教学水平。
3
String players practice moving the fingers of the left hand up and down, while drawing the bow to and fro with the right arm — two entirely different movements.