bi·sect /ˈbaɪˌsɛkt, baɪˈ/
(vt.)(vi.)切成兩分,對分
bisect
二等分
Bi·sect v. t. [imp. & p. p. Bisected; p. pr. & vb. n. Bisecting.]
1. To cut or divide into two parts.
2. Geom. To divide into two equal parts.
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bisect
v : cut in half or cut in two; "bisect a line"