n.开槽;
v.获得( gain的现在分词 );赢得;增加;(钟、表)走快;
例句:
The days are gaining on the night.
白天渐渐比夜长了.
The car is gaining speed.
那辆轿车加速了.
The police car was gaining ground on the robbers.
警车正在逼近抢劫犯.