利用不同的感官刺激,有条不紊地将注意力引导到儿童的活动甽,即便是嗅觉也可以用理解的方式来训练,从而成为他们探索环境的器官。
You have to go through the storm to appreciate the sunshine.
One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, that is enough for me.
学习的最佳方式是教授。
柴油发动机可以使用植物油作为燃料,这将极大地促进使用该技术的国家的农业发展。