1、描述一群.量词+群+of+名词一群人 a/an crowdgrouparmyteamof people；一群牛、象、马、天鹅 a herd of cattleelephantshorsesswans一群鸟、鹅、母鸡、羊、燕子a flock of birdsgeesehensgoatsswallows一群猎狗、狼 a pack of houndswolves2、描述一丝点层一丝怀疑 a shadow of doubt一线未来之光 a glimpse of future一缕月光 a streak of moonlight一层霜雪糖霜 a layer of frostsnowcream3. piece块；片；段；项；件；篇；首；幅；张a piece of breadpaperwoodfurniturelandadvicenewsmeatclothmusic.4、英译“一阵”一阵哭泣喝彩炮击雷声a burst of tearscheers
