n.背心，无袖汗衫，运动背心

原形：singlet复数：singlets

He is wearing a singlet for his workout session.
他正在为他的锻炼课程穿单肩背心。
The athlete was wearing a singlet during the competition.
运动员在比赛中穿着单肩背心。
I saw him in a singlet at the gym, lifting weights.
我在健身房看到他穿着单肩背心举重。
The beach volleyball players were dressed in singlets and shorts.
沙滩排球选手穿着单肩背心和短裤。
He prefers to wear a singlet when it's hot outside.
天热时他更喜欢穿单肩背心。
She was seen wearing a stylish singlet in the street.
她在街上被看到穿着时尚的单肩背心。
The fitness instructor recommended wearing a singlet for better body cooling.
身体教练建议穿着单肩背心以更好地散热。
The construction worker was sweating in his singlet on the hot day.
在炎热的一天里，建筑工人穿着单肩背心满头大汗。
He decided to buy a new singlet after losing weight.
减肥后，他决定买一件新的单肩背心。
The boy was playing soccer in his singlet, showing off his muscles.
小男孩穿着单肩背心踢足球，展示着他的肌肉。