短语词组短语tend on development 发展方向tend to staboutingion on them 两边的论点Tend to act on impulse 有冲动倾向achilles tendon 跟腱prestressing tendon 预应力钢筋束,预应力筋腱tendon rupture 肌腱破裂tendon sheath [解]腱鞘 返回 tend on