developing tank（显影罐）是什么意思？音标发音+图解场景

显影罐 /dɪvˈɛləpɪŋ ˈtaŋk/ n

English: developing tank · 显影罐

释义：Lightproof container used during the various stages of processing an exposed film to obtain a negative.

这个词出现在以下图解场景（1）