求援的英文：
reinforce

参考例句：
  • 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。
reinforce是什么意思：
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。

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