a barometer; a variometer

• 气压表

a barometer; a variometer的用法和样例：

例句

1. The barometer recorded a low pressure.
   气压表标明有一低气压。
2. The accuracy of this type of digital barometer is comparable to mercury barometers.
   这类型的数字气压表的准确性可以媲美水银气压表。