因为纯化硅要消耗很多能量，所以太阳能电池的成本很高。

The cells are expensive to produce because it takes a great deal of energy to purify the silicon.

youdao

因为纯化硅要消耗很多能量，所以太阳能电池的成本很高。

The cells are expensive to produce because it takes a great deal of energy to purify the silicon.

youdao