bisect發音bi- 二、雙+sect 切、割→切成兩份展開收合bi-字首二、雙sect字根切、割字面：切成兩份切成兩份即把一物二等分。動詞1對分、二等分、切成兩半Carefully bisect the cake so both children get equal slices.小心地把蛋糕對分，讓兩個小孩拿到一樣大的。2平分數學Draw a line that bisects the angle at the corner.畫一條線把那個角平分。3橫貫、貫穿、一分為二A busy highway bisects the small farming town.一條繁忙的公路橫貫這個小農村。