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-sided disk单面磨片, 单面砂片safe travel speed安全车速safe-capability安全性safe power supply安全供电safe service life安全使用年限safe car distance安全车距safe razor holder保安剃毛刀架safe water supply安全供水safe-goods mark安全品标记safely dispersing安全疏散