虎口区供应拇、示指的动脉主要为拇指桡掌侧固有动脉、拇指尺掌侧固有动脉和示指桡掌侧固有动脉。
The blood supply of the thumb and indicator comes from mainly the radial artery of the indicator, the ulnar palmar collateral artery of the thumb and the radial palmar collateral artery of the thumb.
两位律师被告知不要离开这座建筑，但没被告知这一指示的原因。
Two lawyers were told not to leave the building but no reason for this instruction was given.
平均而言，遵循这一指示的参与者比那些被告知静默站着或坐着的人感觉要好。
On average, participants who followed this instruction felt better than those who had been told to stand or sit in silence.
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