習得

(1)gain knowledge or skills; "She learned dancing from her sister"; "I learned Sanskrit"; "Children acquire language at an amazing rate"

(2)知識または能力を獲得する

(3)be or become completely proficient or skilled in; "She mastered Japanese in less than two years"

(4)十分に熟達している、に熟練した、あるいは、になる

(1)