1) "1-2-2-1" ideas
"1-2-2-1"思路
2) cost sum
1/2路径和
3) path
[英][pɑ:θ] [美][pæθ]
(1)路程(2)路线
4) airway
[英]['eəweɪ] [美]['ɛr'we]
(1)航路(2)通气孔
5) deenergization
[di:,enədʒai'zeiʃən]
(1)去能(2)断路
6) plunger
[英]['plʌndʒə(r)] [美]['plʌndʒɚ]
(1)柱塞(2)短路器
补充资料:8 1/2