且他们体积小得多（典型的LED大概就是铅笔顶上橡皮大小），不怕碰撞，并且也许更重要的是它的超级功效。

They also take up much less space (a typical LED is about the size of the rubber on the end of a pencil), are shock resistant and, perhaps most important of all, are extremely energy-efficient.

youdao

且他们体积小得多（典型的LED大概就是铅笔顶上橡皮大小），不怕碰撞，并且也许更重要的是它的超级功效。

They also take up much less space (a typical LED is about the size of the rubber on the end of a pencil), are shock resistant and, perhaps most important of all, are extremely energy-efficient.

youdao