broach

v. 开瓶，提出（题目）

brink, brinkmanship, briny, brioche, briquette (also briquet), brisk, brisket, briskly, briskness, bristle, bristly, Brit, Britain, Britannic, British, British English, Britisher, Briton, brittle, brittleness, broad, broad bean, Broad Church, broad jump, broad-minded, broad-mindedness, broadcast, broadcaster, broadcasting, broadcloth, broaden, broadloom, broadly, broadly speaking, broadness, broadsheet, broadside, broadsword, brocade, broccoli,