"You can make incredibly sophisticated diffraction gratings out of glass or plastic," he said.

“利用玻璃或塑料也能造出不可思议的精密分散格来，”他说。

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“You can make incredibly sophisticated diffraction gratings out of glass or plastic, ” he said.

“利用玻璃或塑料也能造出不可思议的精密分散格来，”他说。

youdao

“You can make incredibly sophisticated diffraction gratings out of glass or plastic, ” he said.

“利用玻璃或塑料也能造出不可思议的精密分散格来，”他说。

youdao