air level

短语

[机] 水平仪, 通风坑道

词形变化

air levels 复数 air levels

释义与例句

n.
  1. 1.

    A spirit level.

    过时
  2. 2.

    Used other than figuratively or idiomatically: see air, level.

    When diving, take care to monitor not just your air level, but that of your partner.