The lift bell pinged at the fourth floor.

该电梯铃在四楼发出响声。

《柯林斯英汉双解大词典》

He pointed the torch beam at the floor.

他把手电筒光束指向地板。

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The lift creaked to a halt at the ground floor.

电梯嘎吱一声停在了底楼。

《柯林斯英汉双解大词典》

At the same time he heard and felt the fall of something upon the floor.

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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。

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you would probably spend at least an hour or an hour and a half on each floor.

每层楼你大概要看一个或者一个半小时。

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All four are linked together by fans of steel plate at floor level.

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Upstairs, he found that a frozen toilet had shattered and fallen away from the wall, snapping off the feed line at floor level, and water was jetting up to the ceiling.

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One of the most strenuous tasks for such personnel, carried out an average of 40 times every day, is that of lifting a patient from a futon at floor level into a wheelchair.

ENGADGET: RIBA-II healthcare robot now stronger, smarter -- still a bear