Используйте «edge of the mouth» в предложении
edge of the mouth примеры предложений
edge of the mouth
1. Olin knelt and looked under the edge of the mouth of the bell to locate the usual impact point of the clapper against the bell housing
skyscraper
skyscraper
1. Olin knelt and looked under the edge of the mouth of the bell to locate the usual impact point of the clapper against the bell housing