Starting this month - and continuing for four weeks - the particle accelerator will be speeding lead ions around its superconducting electromagnets.

从这个月开始——并一直持续四个星期——粒子加速器都要对绕着它的超导电磁铁旋转的铅离子进行加速。

youdao

Starting this month -- and continuing for four weeks -- the particle accelerator will be speeding lead ions around its superconducting electromagnets.

从这个月开始——并一直持续四个星期——粒子加速器都要对绕着它的超导电磁铁旋转的铅离子进行加速。

youdao

It's thought they will be a continuing problem until later in the summer when they are expected to spend four weeks cocooned before they turn into moths.

BBC: Natural invasion causes health problems