【名偵探皮卡丘心平氣和】評論
For decades the mature brain was understood to be incapable of growing new neurons. Once an individual reached adulthood, the brain began losing neurons rather than gaining them.(A) extending vt. & vi. (空間、時間等)延伸;延續(B) connecting 連線;聯合;關連(C) cutting 切斷(D) gaining v. 使…獲得