She heard the priest's familiar, flat footfall on the staircase.她听到楼梯上传来牧师那熟悉的单调脚步声。The Rat's light footfall was presently heard approaching over the parched grass.突然干枯的草地上传来了老鼠轻快的脚步声.They sent a lot of policem...
To observe the cellular changes of the pia vessels after chronic cerebral hypoperfusion.目的观察慢性低脑灌注状态软脑膜血管组织细胞活性改变....superficial blood vessels in the forearm.前臂的表层血管Subfreezing temperatures obliterate these vessels and t...