refractory newer metal难: catastrophe; calamity; disas ...熔: melt; fuse; smelt新: new; fresh; novel; up-to-dat ...金属: metals genus新金属: nu-metal下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:难熔新金属，即可在微信中查询翻译
