Gb	Eng
气球空气外逸而缓缓下降.	The balloon descended gradually as the air came out.
换码，转义，退出，逸出，中断执行尤指用来中断一条指令、停止程序运行或者在同一个程序中改变层次	A key used especially to interrupt a command, exit a program, or change levels within a program.