词根:ban = prohibition, control
   来自拉丁语境的ban 意为prohibition,control。
同源词:
1. banal (必须禁止的、控制的 ban (=prohibition,control)
   adj.平凡的;阵腐的
   banality n.平凡;阵腐
   I was having a banal conversation with the bartender when the earthquake hit.地震发生时,我正在和酒吧的招待员闲聊。
2. banish
   v.流放;放逐;把...驱逐出境;消除
   banishment n.流放,放逐,驱逐
   go into banishment 被流放
   He was banished from the realm.他被驱逐出境了 banish care 消除烦恼
3. bandit
   n.强盗 *dit(=give)
   banditry n.强盗行为
4. contraband *contra(=against)
   n.违法交易(品),违禁品;走私(品)
   adj.禁运的;违禁(品)的
   contraband of war 战时禁运品 absolute/unconditional contraband绝对禁止的非法交易品(如武器、弹药等)
   conditional contraband 有条件禁运品(如食品、棉花等)
   contraband goods禁运货
   contraband trade 违禁(品)买卖