lighten

v.减轻

lift, lift-attendant, lift-off, ligament, ligature, light, light bulb, light industry, light meter, light pen, light up, light-coloured, light-fingered, light-headed, light-hearted, light-heartedly, light-heartedness, light-heavyweight, light-sensitive, light-year, lighter, lighterage, lighterman, lighthearted, lighthouse, lighting, lightly, lightness, lightning, lightning conductor, lightning strike, lightning-bug, lightship, lightweight, ligneous, lignite, likability, like, like a ton of bricks, like any thing,