So, this is Chad King talking to Sal Paradise: A quavering twang comes out when he speaks.
以下是乍得王对萨尔·佩拉提斯说的:,他说话时带一阵颤动的鼻音。
You know, so he's seen me work in a lot of different contexts, so he was able to write a letter that said,
所以,他知道我在不同的环境下是如何工作的,这样他在给我写推荐信时才会说出以下这番话。
If the temperature drops below a certain level it sends a signal, 'turn on the heat', and that signal stays on until it gets a negative signal to turn off.
如果温度降到一定程度以下时,探测器会发送一个信号,打开加热器,直到加热器再收到关闭的信号,它就会一直开着
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