Safe-guarding
(safe-guard 的现在分词) 保护措施\\n防护设施
🧩 词语组成解析
safe
[sef]
adj. 安全的;保险的，肯定的;无损的;提供保护的;
n. 保险箱，保险柜;冷藏箱;〈俚〉避孕套;
[计] 保险
🗣️ 情景例句
It works!
有效！
He didn't visit this country on the tour.
他在旅行中不拟访问这个国家。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。