标签：absorb 相关文章
Leaves Inspire Better Solar Panels What do leaves and solar panels have in common? Both absorb sunlight and turn it into energy. But while solar panels typically have smooth surfaces, leaves have tiny wrinkles and folds that allow for maximum light a
发表于:2018-12-31 / 阅读(48) / 评论(0)
英语听力文摘 English Digest
英语听力文摘 English Digest