send的过去分词

过去分词是sent，例如：

1.The waste paper is baled, then sent for recycling.废纸被打成大包，然后送去回收再利用。

2.He was sent to the electric chair.他被送上电椅处决。

3.The blood samples are sent to the laboratory for analysis.血样要送往实验室进行分析。