cloud

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【释义】：

n．❶ 云：a speck of cloud in the sky一片云彩．Large， black clouds announced a coming storm．大片黑云予告暴风雨的来临．❷ 群，片：a cloud of dust漫天灰沙．a cloud of smoke蒙蒙的烟．a cloud of flies(mosquitoes)一群苍蝇(蚊子)．❸ (大理石、水晶等的)黑斑．❹ 引起不愉快或恐惧的事物：a cloud of grief愁云．under a cloud 不得志，受嫌疑，遭白眼．❺ 液体中的悬浮物．

△in the clouds心不在焉；空想，不现实．

－vt．使朦胧，使暗淡：Her eyes were clouded with tears．泪水模糊了她的眼睛．

－vi．朦胧：The sky clouded over．天空乌云密布．