1. 用栅木板阻断(道路等)：underjaw 下颌 | board up 用栅木板阻断(道路等) | mosaic printing 点打印, 矩阵式打印, 针极打印

2. 用板围住：board to board 舷靠舷 | board up 用板围住 | board voltage 配电板电压

3. 用木板封闭(或覆盖)：71 above board 光明正大的,公开的 | 72 board up 用木板封闭(或覆盖) | 73 on board 在船(车或飞机)上

4. 用木板封起来：premises營業場所 | board up用木板封起來 | sheer weight(人群的)自身重量

verb

1. cover with wooden boards

e.g. board up windows before the hurricane