?夜间信号通信
... night signal ==> 夜间信号 night signaling ==> 夜间信号通信 night sky light ==> 夜天光 ...
They demonstrated that by inhibiting TNF signaling, some of the depressive effects of light at night could be reversed in the hamsters.
CNN: Unplug! Too much light at night may lead to depression
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。