例句與造句

1. In a laser printer , a device that uses a modulator crystal to deflect a beam of light and effectively turn it on or off
   在激光印刷機中的一種裝置,它利用一塊調制晶體使光束偏轉并將其接通或斷開。
2. It's difficult to find modulator crystal in a sentence. 用modulator crystal造句挺難的