... 灰控制棒 gray control rod 灰径迹gray tracks 灰劈法 gray wedge method ...
权威例句
1.
Gray crisply tracks the lives of the six undergrads up and down (mostly down) the greased pole of literary life.
NEWYORKER: The Gang??s All Here
2.
Most hip-hop artists nowadays prime the pump with gray-market mixtape CDs that add guest tracks, skits, freestyles, and other second-drawer material to scattered previews of their next album.