来自《耶鲁大学开放课程：生物医学工程探索第7集第7集》

as an input into the cell.

细胞的一种输入机制的话
If it was sound that was being received

如果将配体看作是
that might be beating of a drum,

有待接受的敲鼓声
for example, that sound gets transduced.

声音信号得到了转换
We're used to thinking about sound being tranduced;

我们想想声音信号的转换过程
being converted by acoustic waves into electrical signals

声音由声波转化为电子信号
that can be recognized by your iPods.

你的iPod能够识别这种信号
This same thing happens here,

这两种过程是相同的
there's a transduction,

都是一个信号转换的过程
one kind of a signal gets converted to another kind of a signal.

一种信号转化为另一种信号
In the case of a ligand-receptor,

在配体-受体系统中
a chemical signal in the form of a concentration of ligand

配体浓度这种化学信号