单词	crystal--grain
释义	grain， crystal晶粒
随便看	a hard act to follow a hard case a hard fate, an unfortunate life a hard heart a hard heart, cruelty a hard knot a hard lot a hard lump growing a hard nut a hard nut to crack a hard one a hard pill a hard pill to swallow a hard row to hoe a hard skin a hardware programming language a hardware programming language (ahpl) a hardware programming language--ahpl a hardware programming language{=ahpl} a hardware programming language，ahpl a hard winter a hard (或long)row to hoe a hard (或tough) nut (to crack) aha reaction a harlequin dress