垂直轴
Traditional form:
垂直軸
Pinyin (reading):
chuízhízhóu
Definitions:
- vertical shaft
- (math.) vertical axis
Characters:
- 垂 - to hang, to dangle; to hand down, to bequeath; almost, near
- 直 - straight, vertical; candid, direct, frank
- 轴 - axle, pivot, shaft; axis
Traditional characters: