名詞 dichotomy:

1. being twofold; a classification into two opposed parts or subclasses
   同義詞：duality

1. Characterized by dichotomy.
   兩分性的以分成兩部分為特征的

di.chot.o.my

n.（名詞）
【復(fù)數(shù)】 di.chot.o.mies
Division into two usually contradictory parts or opinions:
二分法：通常因矛盾而彼此排斥的兩部分或意見(jiàn)的劃分：
例句：
.the dichotomy of the one and the many.(Louis Auchincloss)
.一個(gè)人與許多人的二分法.(路易斯·奧金克洛斯)

Astronomy The phase of the moon, Mercury, or Venus when half of the disk is illuminated.
【天文學(xué)】 內(nèi)行星明亮的半圓：月球、水星或金星其一半被照亮的現(xiàn)象
Botany Branching characterized by successive forking into two approximately equal divisions.
【植物學(xué)】 二叉分枝式：以多次叉分或兩個(gè)近似相等劃分的特點(diǎn)的分枝

來(lái)源：
Greek dikhotomia
希臘語(yǔ) dikhotomia
from dikhotomos [divided in two]
源自 dikhotomos [分成兩個(gè)]
dikho- [dicho-]
dikho- [前綴，表.成兩對(duì)的，成雙的.]
temnein [to cut] * see tem-
temnein [一切] *參見(jiàn) tem-