n. the state of being certain that adverse effects will not be caused by some agent under defined conditions
n. a safe place
n. a score in American football; a player is tackled behind his own goal line
n. 安全, 保险, 平安, 保安设备
vt. 保护, 防护
1. Safety is the most important priority in our workplace.
安全是我们工作场所最重要的优先事项。
2. Always wear a helmet for your safety when riding a bike.
骑自行车时一定要戴上头盔以确保安全。
3. The safety instructions are clearly posted on the wall.
安全说明清晰地张贴在墙上。