strengthened

strengthened是什么意思，strengthened怎么读 语音:
  

• 基本解释

v. 加强，巩固( strengthen的过去式和过去分词 )

• 速记技巧

• 中文词源

• 双语例句

用作动词(v.)

1. He has been brought in to strengthen the defence.
   已请他来加强后卫力量。
2. We will strengthen the protection of wet land.
   我们将加强湿地保护。
3. Every effort was made to strengthen unity.
   大家尽力加强团结。
4. The current strengthened as we moved down the river.
   我们顺流而下时，水流更急了。
5. The wind strengthened during the night.
   风在夜间刮得更猛了。

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