long-term retardant阻: block; hinder; impede; obstr ...火: fire剂: a pharmaceutical or other ch ...短效阻火剂: short-term retardant阻火剂: fire retardant chemical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:长效阻火剂,即可在微信中查询翻译