PING youdao.com (220.197.31.37) 56(84) bytes of data.
64 bytes from 220.197.31.37 (220.197.31.37): icmp_seq=1 ttl=46 time=271 ms
64 bytes from 220.197.31.37 (220.197.31.37): icmp_seq=2 ttl=46 time=269 ms
64 bytes from 220.197.31.37 (220.197.31.37): icmp_seq=3 ttl=46 time=270 ms

--- youdao.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 269.841/270.476/271.511/0.851 ms