開港， かいこう

1. opening a port (seaport, airport, etc.), starting operations at a port 2. opening a port to foreign vessels or trade

tbd

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音读: カイ  

训读:ひら.き  あ.く  ひら.ける  ひら.く  -びら.き  あ.ける  

日检:3 grade:3 笔画数:12 部首:169

音读: コウ  

训读:みなと  

日检:2 grade:3 笔画数:12 部首:85