a warp in a board.
木板的翘棱

a hole in a board where a knot came out.
木板上的长出节的孔。

A blackboard, a blackboard.
黑板，黑板，

They bored a hole through a board with a drill.
他们在板上钻了一个孔。

The desktop billboard consists of a panel, a top plate, a bottom plate, a bracing plate and a mark board.
提供一种易拆装、可重复使用的桌面告示牌。

here a roar, there a roar, everywhere a roar.
在这儿吼, 在那儿吼, 到处吼。

From the opposite corner of the blackboard leans an abacus.
黑板得另一角斜靠着一个算盘。

A string of abacus beads are arranged below the supporting board.
在托板下面安装有一串算珠。

Two former stores were abandoned and boarded in.
原先的两家店关闭了, 门窗都用木板钉死了。

With the whole meetiong in uproar, the chairman abandoned the attempt to take a vote.
整个会议吵吵闹闹, 主席放弃了付诸表决得企图。

specification for shipboard oil pollution abatement system.
船载除油系统的规范

Standard Specification for Shipboard Oil Pollution Abatement System.
船用油减轻污染系统规范

Leaf blade abaxially papillate, reticulation coarse.
具乳突的叶片背面，粗糙的网状。

Leaf blade abaxially densely coarsely hairy and pubescent.
叶片背面密被粗有毛的和短柔毛。

The board of the Commission has reportedly completely abdicated from this responsibility.
委员会理事会据称已经完全放弃了这一责任。

abdominal boards.
仰卧起坐板

Abdominal pain 9 month, chest pain accompanied with hoarse sound 20 day
腹痛9个月，胸痛伴声音嘶哑20天

Abdominal acupuncture combined with needling local points for treatment of genual osteoarthritis
腹针配合局部取穴治疗膝骨关节炎疗效观察

Electrophysiological characteristics of the isolated heart of rats with partial coarctation abdominal aorta
腹主动脉部分缩窄大鼠模型体外心脏的电生理特点

Accreditation Board for Engineering and Technology， ABET
工程与技术认证委员会

Accreditation Board for Engineering and technology, Inc. , ABET
和美国工程技术认证委员会

ABET. Accreditation Board for Engineering and Technology Annual Report, New Yoark.
社会科学研究方法，台北时英出版社，

This regulation is the conclusion jointly made during our board meeting. Everyone should abide by it.
这项规定是我们理事会共议决定的结果, 请大家遵照执行。

Mensuration of Finishing Ability of Different Cross Combination with Wild Boars
不同杂交组合野猪的肥育性能测定

The rage of a wild boar is able to spoil more than one wood.
野猪发怒毁树多。