helmet

Mũ bảo hiểm

a hard protective hat that you wear to protect your head, for example when riding a bicycle or motorcycle

• wear a helmet

Collocations helmet law · motorcycle helmet

• It's the law to wear a helmet when you ride a motorcycle.

  Đeo mũ bảo hiểm khi đi xe máy là luật pháp.

Trang phục quân đội, mũ lính

a soldier's hat, especially one that is worn as part of a uniform or for ceremonial occasions

• wear a helmet

Collocations army helmet · ceremonial helmet

• The soldiers wore their helmets during the parade.

  Các binh sĩ đã đội mũ lính trong cuộc diễu hành.