E-thrombosis refers to the formation of blood clots caused by sitting at a computer for prolonged periods. 

电子血栓症指的是由于长时间坐在电脑前面而导致形成血栓。

Spending all day at your desk and most of the evening in front of a computer could kill you, doctors warned. 

医生警告说，整天坐在桌子前面，晚上大部分时间也坐在电脑前面可能有致死风险。