命令行本地查词

```bash
sudo aptitude install sdcv
```

下载词库
```
stardict-langdao-ce-gb-2.4.2
 stardict-langdao-ec-gb-2.4.2
stardict-oald-cn-2.4.2

```

解压放到`~/.stardict/dic/`文件夹下.

```bash

# 列出所用的词典

sdcv -l

# 查词

sdcv what

# 查看历史记录

cat ~/.sdcv_history | tail

# 删除历史记录

echo '' > ~/.sdcv_history

```