[建]?沟槽板道
... duck an issue 回避[忽视]问题 duck board 沟槽板道 duck cholera 鸭霍乱 ...
?修屋面用步级板
修屋面用步级板 duck board 一级板材堆垛机 prime stacker ..
木板道
Is there any doubt that the current lame-duck board miserably failed in its job?
CNN: Penn State alum: We deserved NCAA penalty
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。