单词 | junction |
释义 | junction n.   1. a point at which two or more things are joined.   2. a place where two or more railway lines or roads meet, unite, or cross.   3. the act or an instance of joining.   4. Electronics a region of transition in a semiconductor between regions where conduction is mainly by electrons and regions where it is mainly by holes. Phrases and idioms junction box a box containing a junction of electric cables etc. Etymology: L junctio (as JOIN) |
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