-
[每日说英文] 留美老师带你每日说英文 第906期:大气压力和高度的关系
As altitude increases, atmospheric pressure decreases. This is due to Earth's gravitational pull on the air molecules in the atmosphere.2018-02-26 编辑:max
Severity: Notice
Message: Memcache::connect(): Server 127.0.0.1 (tcp 11211, udp 0) failed with: Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
Severity: Warning
Message: Memcache::connect(): Can't connect to 127.0.0.1:11211, Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
2018-02-26 编辑:max