After the stop bit is received, the device will acknowledge the received byte by bringing the Data line low and generating one last clock pulse.
在收到停止位之后，设备将通过拉低数据线，生成最后一个时钟脉冲来应答收到的字节。
One time when you stop breathing and a second time, a bit later on, when somebody says your name for the last time.
一次是当你停止呼吸的时候，第二次则是在那之后某个人最后一次提起你名字的时候。
One reason is that online-security firms have worked on every bit of the chain, from the content of junk emails to their sender, with the result that they stop more than 98% from reaching its target.
原因之一是从检测无意义的电子邮件到识别发送者的地址，网络安全公司在每一个环节都尽心尽力地工作，因此他们阻止了超过98%的垃圾邮件发送到目标者的邮箱中。
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