名词半衰期; 中场休息时间; 半工半薪

1. （足球、橄榄球、篮球比赛等的）中场休息
Half-time is the short period of time between the two parts of a sporting event such as a football, rugby, or basketball game, when the players have a short rest.

adj

1. involving half the standard or customary time for an activity

e.g. he had two years of half-time training