例句與造句

1. A kind of elastic colloidal film can effectively resist shock by stone granules so as to protect phosphorized antirust paintcoat on the surface of chassis
   一種富有彈性的膠狀成膜物質(zhì)，能有效地抵抗石仔的沖擊，保護底盤表面的防銹涂層不被破壞。
2. It's difficult to find colloidal film in a sentence. 用colloidal film造句挺難的