用法:
1 of or forming a pivot 轴的; 作为旋轴的.

用法:
2 (fig 比喻) of great importance because other things depend on it; central （因受其他事物的依附）极重要的, 关键的, 中心的:
a pivotal decision 重要的决策.

• baloney
• balsa
• balsam
• baluster
• balustrade
• bamboo
• bamboozle
• ban 1
• banal
• banality
• banana
• banana republic
• banana skin
• band 1
• bandage 1
• Band-aid
• bandanna
• B and B
• B and B (also b and b)
• bandbox
• bandeau
• bandit
• banditry
• bandmaster
• bandoleer (also bandolier)