求援的英文：
reinforce
- frantic gesticulations in an attempt to get help
试图求援的狂乱的比手画脚 - He appealed to me for help.
他向我求援。 - They applied to him for help.
他们向他求援。 - They also applied to other medical institutions for assistance.
他们也向其他医疗机构求援。 - The governor concluded not to call for aid from other countries.
总督决定不向其他国家求援。 - Help was lacking at sea during the storm
起风暴时海上无处可求援。 - At last to go forth together and seek help in the neighbouring hamlet.
我们最后决定一起去附近的村子求援。 - If any disinterested persons are present, he turns to them for some reinforcement of his own faltering mind
若有不偏不倚的人在场，他就会求援于他们，以稳定自己动摇不定的思想。
v. 加强，加固；强化；补充
n. 加强；加固物；加固材料
- The designer chooses the layout of reinforcement.
设计者选择钢筋布局。 - Will you take measures to reinforce them?
有加固措施吗？ - They had to reinforce the center.
他们必须加强中央的权威。 - That concrete is reinforced with steel beams.
那混凝土是用钢筋加固的。 - This roof needs some reinforcement.
这屋顶需要加固。
