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開口 /kāi kǒu/ meaning in English

ChineseEnglish
開口 /kāi kǒu/ noun

orifice [orifices](mouth or aperture, as of a tube, pipe)
noun
[UK: ˈɒ.rɪ.fɪs] [US: ˈɔː.rə.fə.sə]