词汇	head-aches
释义	head-achesCOCA²⁸⁰¹³⁶⁺⁵🌏我恨；头痛
随便看	specific gravities specific gravity specific-gravity specific gravity at pumping temperature specific gravity balance specific-gravity balance specific gravity balance method specific gravity bottle specific-gravity bottle specific-gravity bottleflask specific gravity cell specific gravity cleaning specific gravity concentration specific gravity correction factor specific gravity curve specific gravity determining specific, gravity determining specific gravity displacement method specific gravity extraction specific gravity factor specific gravity flask specific gravity floater specific gravity fraction specific gravity hydrometer specific-gravity hydrometer