On arriving at the first floor, he paused.

上了二楼，他歇了一下。

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The main conference hall is a rectangular space at the first floor, with a circular seating design.

主要的会议大厅位于二楼的矩形空间，一排排的座位被设计为圆形。

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China World Hotel's Business Center is located at the first floor. Copy, Fax machine and computer are available.

中国大饭店的商务中心设在一层。提供复印、传真、打字和电脑等项服务。

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So, what they do is, the first time they might scratch at the bars, push at the ceiling, dig at the floor, howl, etc.

起初小猫可能会抓栏杆，推顶棚，挖底板，吼叫等等。

耶鲁公开课 - 心理学导论课程节选

The formally laid-out garden terraces to the south of the house have slight differences in elevation, but the house sits above them, raised on a basement hidden by patios at the level of the first floor.

WSJ: An American Renaissance Gem

At the business center on the first floor.

NEWYORKER: Betrayed

The ghost, at first an unseen presence, smashes crockery to the floor, then appears as a beautiful young woman (Thandie Newton) who growls and talks very, very slowly.

NEWYORKER: Beloved