英语单词”board"是什么意思？

board n. 1. 木板;板[C] He sawed the board in half. 他将木板锯成两块。 2. 牌子;布告牌;黑板;(棋)盘[C] 3. 膳食;伙食[U] We will provide room and board for them. 我们将提供他们的食宿。 4. 委员会;理事会;董事会;(政府的)部,局,会[C][G] He has recently joined the board of the company. 他最近加入了该公司的董事会。 5.