midsectionKK [ˋmɪdˏsɛkʃən] /ˈmɪdˌsɛkʃən/發音名詞1腹部、腰腹、中腹部These exercises are designed to strengthen your midsection and lower back.這些運動是為了強化腰腹和下背部的肌肉。2中段、中間部分The midsection of the plane was reserved for economy passengers.飛機的中段留給經濟艙的乘客。