Safety helmet
01
安全帽, 防护头盔
a protective hat worn to prevent injury, especially in situations like construction, sports, or riding vehicles
例子
He wore a safety helmet while riding his bike.
他骑自行车时戴了一顶安全头盔。
The workers all had safety helmets on at the construction site.
工地上所有工人都戴着安全头盔。
