beehive shelf

短语

词形变化

beehive shelves 复数 beehive shelves

释义与例句

n.
  1. 1.

    A round piece of laboratory equipment used mostly in school demonstrations to support a gas jar whilst a gas is being collected over water.

    化学

词源

The squat circular shape resembles early beehives called skeps.

来源：wiktionary