half-time exchange交换半数时间
half-time shaft半速轴
half-time tactics半小时战术
Energy Half-Time能量半衰时
Only Half The Time只有一半时间
half cooling time crank单臂拐肘
half cooling time element半电池
half cooling time energized半激励的
half decay time th半衰时th
N-UNCOUNT（不可数名词） Halftime is the short period of time between the two parts of a sports event such as a football, rugby, or basketball game, when the players take a short rest. (球赛的) 中场休息
The game started in brilliant sunshine but during halftime fog closed in.
比赛在灿烂的阳光中开始，但在中场休息时却起雾了。