A sort of place holder until parliament can put together new leadership.

在议会组建新的领导层之前，这里只是维持日常工作的政府。

The ultrasound probe locates the tumor in real time and places the biopsy needle holder directly over it.

超声波探头可以实时定位肿瘤，还可以将活检针的固定器直接放在肿瘤上方。

And is exactly  the sort of person who might occasionally need a place holder.

而且正是那种偶尔需要占位符的人。

QUITE LITERALLY - it's loo-tenant (or leftenant…   I'll get onto that in a moment) - which is French for " place holder" or " holding" .

确切的说 - 它是 loo-tenant （或 leftenant......我稍后会讲到） - 在法语中意思是“占位符”或“持有”。