The rotary chair is used to assess middle ear injury of soldiers who may have experienced a concussion.

这是一张旋转椅，可以用来评估战场上遭受震荡而中耳损伤的士兵情况。

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Anderson perches in a chair at the head of the class, writing sentences on an LCD projector with a blank in the middle for the girls to fill in from a list of vocabulary words.

安德森坐在教室前面的椅子上，在液晶显示投影仪上写着选词填空的句子。

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Professor McGonagall had left the thronelike chair in the middle of the staff table empty.

麦格教授让教工餐桌中间那个王位般的座位空着。

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Johns Hopkins Middle East Studies chair Fouad Adjami, a Shiite Muslim, says the White House actually consulted him.

NPR: Verbal Front in the Terror War: 'Islamofascism'

He sat on the floor in the middle, bypassing the chair that had been provided.

FORBES: How to Think About Body Language

Lakwena expressed these war-rules through Alice twice a day, at seven in the morning and seven at night, as she sat in a white robe on a fold-up chair in the middle of the camp.

ECONOMIST: Alice Lakwena