It was just a piece of harmless frivolity.这仅是无恶意的愚蠢行为。Macular stains are ery light, pink or tan - colored birthmarks that are ery common and harmless.色斑是浅色 、 粉红色或棕褐色的胎记,很常见而且无害.Producing the hydrogen fuel uses the harmle...
Industry has been working at developing harmless substitutes for these gases.该行业一直在努力开发一些可以替代这些气体的无害物质。I would not want to deny them a harmless pleasure.我不想剥夺他们这点无伤大雅的乐趣。He seemed harmless enough.他看起来不会惹什么麻烦。...