hydrosulphite formaldehyde连: link; join; connect二: two亚硫酸: sulphurous acid; sulfinic ac ...钠: sodium甲醛: formaldehyde; cascophen; aro ...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:连二亚硫酸钠甲醛,即可在微信中查询翻译