N-COUNT 厚(木)板;板条 A plank is a long, flat, rectangular piece of wood.
It was very strong, made of three solid planks of wood. 它由3块坚固的木板做成,很结实。
N-COUNT (团体或政党的)政纲条目;(政策或纲领的)要点 The main plank of a particular group or political party is the main principle on which it bases its policy, or its main aim.
Encouraging people to shop locally is a central plank of his environment policy. 他的环境政策的核心是鼓励人们购买当地产品。