欣也: a male given name / 勤也: a male given name

勤勉: diligence

勤勉: diligent; industrious

metric space

(geometry) Euclidean distance - the distance between two points defined as the square root of the sum of the squares of the differences between the corresponding coordinates of the points; for example, in two-dimensional Euclidean geometry, the Euclidean distance between two points a = (aₓ, a_y) and b = (bₓ, b_y) is defined as:

a long-distance cross-country skiing race (such as at the Olympics)

括約筋: sphincter

臀筋: gluteus

小臀筋: gluteus minimus

金色ジャッカル: a golden jackal