noun 下载 🔗分享 指甲 The hard, flat translucent covering near the tip of a human finger, useful for scratching and fine manipulation. Examples : "She used her fingernail to gently peel off the sticker. " 她用指甲轻轻地把贴纸撕掉了。 body part anatomy physiology human 与AI对话词汇游戏阅读练习