However, study from life and understand how light works.
从生活中学习，去理解光是怎么运作的。
Our challenge now is to study the science and how it works.
我们现在的挑战是研究的科学和它的工作原理。
She works very hard on her study. We often study together and help each other.
她学习很努力，我们经常在一起做功课，互相帮助。
She works very hard on her study. We often study together and help each other.
她学习很努力，我们经常在一起做功课，互相帮助。
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