7N-SING (某活动)最激烈的时刻The heat of a particular activity is the point when there is the greatest activity or excitement. (某活动)最激烈的时刻
Last week, in the heat of the election campaign, the Prime Minister left for America. [+ of]
上周,当竞选活动进行到白热化时,首相启程去了美国。
8N-COUNT 预赛;分组赛 A heat is one of a series of races or competitions. The winners of a heat take part in another race or competition, against the winners of other heats. 预赛;分组赛
10PHRASE (雌性动物)正在发情(美国英语中作 in heat) When a female animal is on heat in British English, or in heat in American English, she is in a state where she is ready to mate with a male animal, as this will probably result in her becoming pregnant. (雌性动物)正在发情(美国英语中作 in heat)