safesn.保险箱（safe的复数）；钱盒safeadj.安全的；安然无恙的；可靠的；谨慎的n.保险箱safe broadcasting安全播出safe harbor lease避风港租赁safe and stablity安全稳定safe seeding date安全播种期safe exploitation安全开采safe for swimming对游泳安全safely assessment安全评定safe storage life安全贮存寿命safe in petroleum石油安全safe working load安全工作荷载