“无害的”的英语？

在所有简单无害的娱乐项目背后都隐藏着危险，特别是对儿童而言。Under all the innocent fun, there are hidden dangers, especially for children.即使无害的物质在药物测试中有时也会呈阳性.Even innocuous substances can sometimes register a positive result in a drug test.其中一部分被吸收,...