Safeguards
n. 保障措施；安全保护（safeguard的复数）
🗣️ 情景例句
Could we make it tomorrow at nine?
明天9点怎么样？
The doctor said it's just a mild cold, There's nothing to worry about.
医生说只是有点凉，不需要担心。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。