单词	harsh arc
释义	harsh arc 刚性弧
随便看	biological footprint biological form biological formation of soil biological fouling biological foundation biological fuel cell biological function biological functions biological gases biological genesiology biological genetics biological geochemistry biological geography biological geology biological goods biological group biological groups biological half biological half life biological halflife biological half-life biological half time biological hazard biological hazard potential biological haze 长春不老长材小试长材茂学长枕大衾长枕大被长林丰草长歌当哭长此以往长江后浪推前浪长江天堑前景前月前有车，后有辙前朝前期前来前栽儿前桥前次前此