单词	伸懶腰
释义	伸懶腰1. to stretch oneself
随便看	erbfall erbfolge erbgrind erbia erbil erbil (arbil erbil (arbil, arbailu, arbela) erbium erbium acetate erbium amplifier erbium bromide erbium chloride erbium devices erbium doped erbium doped amplifier erbium doped fiber erbium doped fiber amplifier erbium-doped fiber amplifier erbium-doped fiber amplifier {=edfa} erbium doped fiber amplifier gain flattening erbium doped fiber dual ring laser erbium doped fiber laser erbium-doped fiber laser erbium doped fiber ring laser erbium doped fluoride fiber amplifier