温度计受热后，水银就膨胀。其膨胀量度量出温度。

When the thermometer becomes warmer the mercuracy expands, the amount of expansion measuring the temperature.

youdao

温度计受热后，水银就膨胀。其膨胀量度量出温度。

When the thermometer becomes warmer the mercuracy expands, the amount of expansion measuring the temperature.

youdao