benzeneazon.苯偶氮benzenen.[化]苯benzene monosulfonic acid[化] 苯磺酸benzene thiosulfonic acid苯硫代磺酸benzene sulfonyl chloride苯磺酰氯benzene diazonium chloride氯化重氮苯benzeneazo-naphthylamine苯偶氮萘胺Benzene and its homologues苯及苯系物benzene sulfonyl hydrazide苯磺酰肼benzene tertacarbonic acid[机] 苯四甲酸, 苯四羧酸benzene tricarboxylic acid苯三甲酸benzene pentacarbonic acid苯五甲酸

1. The self-erasure happens because the new isomer of azobenzene is not as stable as the old one.
   纸张能够自动清除字迹是因为新的偶氨苯异构体不如原本形态稳定。