Years went by while Cockcroft and Walton put together improvised vacuum systems, laboriously sealed the leaks, tried out various devices for handling high voltages, and found them to be inadequate.

• 考克饶夫和华尔顿在把临时准备的真空系统装配起来，费力地堵塞漏洞，实验各种高压设备却发现并不能用中，度过了一年又一年。