慢速英语:Paintable Solar Cells May Replace Silicon-Based Devices

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1.create vt.产生; 创造，创作
例句：Designers should create design solutions that are:
设计师应当创作这样的解决方案。

2. expand vt.扩张; 使…变大
例句：I want to expand the medical program and the recreation program.
我要扩充医药工作和康乐活动。

3. produce vt.产生; 生产
例句：Hard work and enthusiasm can produce success.
努力工作及热忱会导致成功。

4. discover vt.发现; 碰见; 撞见
例句：You shall not discover it to any person in the world.
你不要向世上任何人道破这件事。