異口同音(saying) with one voice; unanimously; in chorus; in unison; as one
Noun
突破口breakthrough (research, etc.); breach; opening
Noun
排気口vent; exhaust opening; exhaust port
Noun
給油口fuel filler opening; tank pipe opening
Noun
星口動物sipunculan (any worm of phylum Sipuncula); sipunculid
Noun