1.
Sound the retreat, eg on a drum or bugle
发出撤退信号（如击鼓或吹号）
2.
Give the evacuation code signal.And get to your transports!- Oh, Wait for me!
-发出撤退信号，还有你自己也想办法快走-喔，等等
3.
Sound the retreat, eg by blowing a bugle
发撤退信号（如吹撤退号）
4.
He sounded the retreat.
他吹响了撤退的号声。
5.
a foghorn that makes a two-tone signal.
发出两种信号的雾号。
6.
Exit Signal - Transmit process termination information.
链接退出信号的一个双向的传输路径。
7.
Signaling Mechanism in the Exiting of Venture Capital Investment;
风险投资退出中的信号传递机制研究
8.
Battalion: Echo Company, prepare for extraction. We're going to pull you out of there and nuke that place to hell. We cannot risk an outbreak.
指挥部：E连，准备撤退。我们要把你们撤出来，然后用核弹炸平这里。我们不能承担爆发的风险。
9.
sound a note of alarm/danger/warning
发出警报[危险信号/警告信号]
10.
The indication given by a singal is known as the signal aspect.
信号所发出的灯色，称为信号方式。
11.
Bees dance their signals,
蜜蜂舞动是发出信号，
12.
a signal generated by electronic means.
电子手段发出的信号。
13.
be sounded as a signal or warning
发出信号或警告的声响
14.
It automatically sends out an overdue signal.
它会自动发出误点信号。
15.
amplified, and disseminated.
发大信号再转播出去。
16.
A process which is not trapping exit signals (a normal process) dies if it receives a non-normal exit signal.
一个没有捕获退出信号的进程（普通进程）在它接收到一个非正常退出信号的时候失效。
17.
You can't work out a retreat for daylight?
你不能制定出白天撤退的方案吗？
18.
(military) a bugle call signaling the lowering of the flag at sunset.
（军事）日落时发出降旗信号的号声。