As Gaines drives, Kim tries to signal a driver stopped next to them. Gaines threatens her with a gun then locks her in the trunk.

盖恩斯驾车时，金姆试图向旁边一辆车的司机用动作示警。盖恩斯用一把枪威胁她不要乱动，然后将她锁在了车尾箱内。

youdao

This is the mechanical type of communication, which includes the use of signal flags, the 21-gun salute, horns, and sirens.

这是一种机械式的传播，包含信号旗、21响礼炮、号角、汽笛。

youdao

They jump the gun and start adding stimulus control while they are still using signals to help the dog Then when they drop the signal they confuse the dog.

他们行动过早，在一起使用信号帮助狗的时候开始加入刺激控制，一旦去掉信号就把狗弄糊涂了。

youdao

The site will show video demonstrations of how the gun signal works.

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