Google学术IPv6地址

参考：Google Scholar IPv6 Address。

# 编辑 hosts 文件
nano /etc/hosts

# 添加以下内容：
# Google Scholar
2607:f8b0:4005:80a::200e  scholar.google.cn
2607:f8b0:4005:80a::200e  scholar.google.com
2607:f8b0:4005:80a::200e  scholar.google.com.hk
2607:f8b0:4005:80a::200e  scholar.google.com.sg
2607:f8b0:4005:80a::200e  scholar.google.com.tw
2607:f8b0:4005:80a::200e  scholar.google.com.uk
2607:f8b0:4005:80a::200e  scholar.l.google.com