单词	固定镜
释义	固定镜fixed mirror
随便看	constant--initial growth index--initial growth constantinople constantinople (istanbul) constantinopolitan creed constantinopolitan rite constant input constant instruction constant instrument constant intercourse constant intercourse, constant interval scale constant ionization constant-- ionization constantium delirium constant, jean joseph benjamin constant k filter constant-k filter constant-k lens constant-k network constant lead constant length field constant length system constant letter constant level balloon constant-level balloon