PING wiki.dfrobot.com.cn (118.25.168.70) 56(84) bytes of data.
64 bytes from 118.25.168.70 (118.25.168.70): icmp_seq=1 ttl=50 time=293 ms
64 bytes from 118.25.168.70 (118.25.168.70): icmp_seq=2 ttl=50 time=291 ms
64 bytes from 118.25.168.70 (118.25.168.70): icmp_seq=3 ttl=50 time=290 ms

--- wiki.dfrobot.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 290.488/291.589/293.230/1.182 ms