no obj.
- (of a person or the atmosphere at a particular time or place) be uncomfortably hot（人或空气在特定时间或地点）热得难受：
Barney sweltered in his doorman's uniform
巴尼穿着门卫的制服热得喘不过气来
as adj. sweltering a sweltering English summer.一个热得难受的英国夏天。
in sing.
- an uncomfortably hot atmosphere闷热的天气：
the swelter of the afternoon had cooled.
闷热的下午已经凉爽下来了。
派生词
swelteringly
adverb词源
Middle English: from the base of dialect swelt 'perish', of Germanic origin.