Lifeguard

溺水是一種嚴重且容易忽視的威脅，每年導致世界各地成千上萬人死亡，良好的救生設備，可以使救生員更有效率。

Drowning is a serious and easy-to-ignore threat that kills tens of thousands of people around the world every year, and must be good life-saving equipment that can make lifeguards more efficient.