briefly

His fingers were briefly in contact with the ball.(他的手指稍稍地接触了一下球。)

It was mentioned only briefly in your books.(你的书里只简单提到过它。)

He spoke only briefly and elliptically about the mission.(他只是简要且隐晦地谈及了这项任务。)

The couple chatted briefly on the doorstep before going inside.(夫妇俩进屋前在门阶上简单地聊了几句。)

It's better to study fairly briefly but often.(最好短暂而经常地学习。)

I'd like to begin by briefly introducing the services we offer here at our center.(首先，我想简单介绍一下我们中心提供的服务。)

The problem had been alluded to briefly in earlier discussions.(这个问题在以往的讨论中已经间接提及。)

We shall first look briefly at the historical antecedents of this theory.(我们首先简要地回顾一下该理论历史上的先例。)

To recapitulate briefly, the three main points are these...(简要概括起来，主要有这样三点…)

He had spoken to Emma only briefly.(他和埃玛只讲了短短的几句话。)