alcohol column（酒精柱）是什么意思？音标发音+图解场景

酒精柱 /ˈeəspiːd ˈɪndɪkˌeɪtə/ n

English: alcohol column · 酒精柱

释义：Quantity of alcohol that is contained in the glass tube; its height varies with the temperature.

这个词出现在以下图解场景（1）