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watch glass

/ˈwɒtʃ ɡlɑːs/

翻译: 保护表盘和指针免受灰尘、湿气和撞击的透明保护盖,通常由矿物玻璃或合成蓝宝石玻璃制成。也指实验室中用于蒸发液体或覆盖烧杯的圆形玻璃片。

1 个条目

phrase

/ˈwɒtʃ ɡlɑːs/C1formaltechnical
  • zh保护表盘和指针免受灰尘、湿气和撞击的透明保护盖,通常由矿物玻璃或合成蓝宝石玻璃制成。也指实验室中用于蒸发液体或覆盖烧杯的圆形玻璃片。

A protective transparent cover, typically made of mineral or synthetic sapphire crystal, that shields the dial and hands of a wristwatch or clock from dust, moisture, and impact.

  1. Laboratory equipmentC1formal

    A concave piece of glass used in laboratories to hold solids, evaporate liquids, or cover beakers.

    zh实验室设备

    • The chemist placed the sample on a watch glass to dry.
    • Cover the beaker with a watch glass to prevent contamination.
    • Watch glasses are commonly used for weighing small amounts of powder.