长视

导读:近日，有两名女子因晚上躺在床上看手机而导致双目短暂失明的症状反复发作。为避免重蹈二人，我们在使用智能手机时应该注意哪些问题？Warning: Looking at your smartphone while lying in bed at night could wreak havoc on your v

The chief of US naval operations has spoken with his Chinese counterpart viavideo link.Thursday's call between Admiral John Richardson and Admiral Wu Shengli lastedabout an hour. It comes two days after a US destroyer pa