safety limit的用法和樣例：
例句
- The contents of Pb, As, Cd, Cr, mould fungus and bacteria were within the limit of safety.Therefore, P. americana L. could potentially be used as a material for high quality feed.
主要衛生指標含量均低於飼料衛生標準中的安全限量，表明美洲大蠊可作為一種優質的功能性蛋白飼料。 - And its clinical dosage was within the safety range.
臨床用量在安全範圍。
