One of your three, his cell signal vanished in the armpit of Queens.

三人中有一位 手机信号消失在皇后区贫民窟。

Is that really just on a cell signal?

这真的只是靠移动数据吗？

In dim light, these cells signal the release of a hormone called melatonin, which tells your body to prepare for sleep.

在昏暗的光线下，这些细胞会释放一种叫做褪黑素的激素，它会告诉你的身体为睡眠做准备。

Radio's shot. And there's no cell signal out here.

无线电不能用 这附近也没有手机信号。

The Federal Communications Commission, or FCC, was worried about phones on planes clogging up cell signals for people on the ground.

美国联邦通信委员会 (FCC) 担心飞机上的电话会阻塞地面人员的手机信号。

At that point T helper cells, or Th1 cells swoop in and release cytokines —which are cell signaling molecules— like interferon-gamma, and tumor necrosis factor alpha, which further stimulate the inflammatory response.

在这时，辅助T细胞（Th1细胞）突然加入到炎症反应中并释放细胞因子；这些细胞因子是细胞间信号分子，包括γ干扰素和肿瘤坏死因子α等；这些细胞因子可以进一步促发炎症反应。

There's no cell signal within the Gap, which means there is no ability to call beyond it for help, and no ability to use something like Google Maps to accurately track your location.

地堑内没有手机信号，这意味着你无法向其以外的地方寻求帮助，也无法使用谷歌地图等工具精确追踪你的位置。

And that's a big deal for Mark and Paige's station as it's able to penetrate those big Blue Ridge Mountains where I'm from, especially when it's hard to get a cell signal.

这对于马克和佩奇的电台来说是一件大事，因为它能够穿透我来自的蓝岭山脉，尤其是在很难收到手机信号的情况下。