These helper T-cells produce small signaling molecules called cytokines, which activate B-cells and macrophages.

辅助T细胞会产生一些的信号分子，即细胞因子，激活B细胞和巨噬细胞。

The sympathetic nervous system is set up in such a way that even a small stress signal sent down one path could trigger a response in many effectors at once.

交感神经系统是这样建立的，即使是沿着一条路径发出的力信号也能同时触发许多效应器的反应。

At least in New England, we're seeing a small but important signal that conservation leads to job growth.

至少在新英格兰地区，们看到了一个但很重要的信号，即保护环境会带来就业增长。

The brain signal is a very, very small signal and muscle activity is very strong signal.

信号是一个非常非常的信号，而肌肉活动是一个非常强的信号。

Investors are desperate for this turmoil over tariffs to be resolved, and they will likely latch on to any kind of a sign, which is why sometimes they magnify even the smallest signals from this administration, Lester.

投资者迫切希望这场关税纷争能得到解决，因此他们可能会抓住任何迹象，这也是为何有时他们会放政府发出的哪怕最的信号，莱斯特。

And even if they're just small signals about maybe what I perceive as I was really decisive, you think, oh my God, he was really pushy.

甚至这些只是的信号， 也许感知到的是很果断，而你觉得，天啊，他真的很强势。

I have always been fascinated with how small electrical signals in discrete parts of the brain lead to big behavioral changes.

一直对特定区域的电脉冲如何导致显着的行为变化感到着迷。

Sandstorm flashed him a questioning glance, but Fireheart gave a small signal with his tail and the orange she-cat sat down.

沙风询问地看了他一眼，但火心用尾巴轻轻示意了一下，橙色母猫坐下了。