lose consciousness 托福

The patient lost consciousness and went into convulsions.

病人失去知觉，开始抽搐起来。

"Her voice faltered, and then she lost consciousness."

"她含地咕噜了几声,接着便失去了知觉。"

He lost consciousness at the first whiff of ether.

他嗅到乙醚便失去了知觉。