convex lenses

同根派生

• convex lenses相關(guān)詞

英漢例句

• A convex lens is used to concentrate rays of light.
  凸透鏡用于聚集光線。
• Light can be collected with the convex.
  凸透鏡具有聚集光線的作用。

• convex lenses更多例句