tacking
/ˈtækɪŋ/
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If you tack something to a surface, you pin it there with tacks or thumbtacks. 用平头钉或图钉钉住
noun [具体名词] 定位焊；紧钉；顶风转向
This angle is called the tacking angle. 这个角度称为抢角。
verb [vt. 及物动词] 固定住；暂时缝上；附加；改变航向（tack 的 ing 形式）
They were tacking about to avoid the enemy guns. 他们来回转向以避开敌人的炮火。
