center line的用法和樣例：
例句
- Camber line won"ts do orthogonal arc tooth wimble gear.
中心線不成直角的弧齒錐齒輪。 - A center line to which parts of a structure or body may be referred.
中軸結構物或人體的某些部分可被參照的中心線。 - Don't trap him until he goes over the central line.
等他過了中線再夾擊他。 - And it's Moore to throw the ball in near the halfway line.
由穆爾在中線附近擲界外球。
