orifice

US /ˈɔːr.ə.fɪs/

UK /ˈɔːr.ə.fɪs/

孔, 口

a mouth or aperture, as of a tube or pipe, or of a cavity in the body

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The surgeon carefully examined the small orifice.

外科医生仔细检查了那个小孔。

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Water flowed out of the narrow orifice.

水从狭窄的孔中流出。