例句
同义词
词组
  • pearls before swine
    valuable things offered or given to people who do not appreciate them 明珠暗投,对牛弹琴,把贵重的东西送给不识货的人
英语四级真题
  • That' s how we found the pearl, actually.
    2018年12月四级真题(第二套)听力 Section B
柯林斯高阶英汉双解学习词典释义
英汉词典释义
英英词典释义
  • Noun
    1. a smooth lustrous round structure inside the shell of a clam or oyster; much valued as a jewel
    2. a shade of white the color of bleached bones
    3. a shape that is small and round;
    "he studied the shapes of low-viscosity drops""beads of sweat on his forehead"
  • Verb
    1. gather pearls, from oysters in the ocean
行业词典
  • 医学: 真珠,珠:从各种软体动物得来的钙质凝结物,以往曾认为有治疗作用;珠剂:小药物颗粒或一次性剂量之挥发性药物玻璃微球,如亚硝酸异戊酯;圆形坚韧痰块,见于支气管性气喘发作早期;
    大气科学: 串珠状闪电;pearl-necklace lightning 闪电通道断裂成许多小段,呈形似一串珠状的闪电。;
    水产: 珍珠;某些贝类外套膜受异物刺激或病理变化,分泌珍珠质形成的一种有光泽的圆形固体颗粒。;