例句與造句

1. Silicon dioxide ( sio2 ) are promising anti - reflective films with good physical , chemical properties and good adhesion to sapphire . great progress has been made in the researches about sio2 anti - reflective and protective films overseas
   氧化硅( sio _ 2 )膜具有優良的物理、化學性能，并且與藍寶石附著良好，非常適合用作提高藍寶石高溫強度及增透涂層。
2. It's difficult to find silicon dioxide (sio2) in a sentence. 用silicon dioxide (sio2)造句挺難的