momentarily

ad. 暂时地,立刻,随时地

The charging of an isolated conducting object by momentarily grounding it while a charged body is nearby.

感应通过短暂地磨擦，使一个充电导体附近的独立导体产生电流

The dark room was momentarily lit up by a vivid flash of lightning.

那黑洞洞的房间顿时被强烈的闪电照亮了。