常见例句双语例句Objective:To study the antinociceptive effects of adrenal medullary allografts into the spinal subarachnoid space in chronic pain model rats.目的:研究同种异体肾上腺髓质植入蛛网膜下腔对慢性痛模型大鼠痛行为的影响及其发生机制。 返回 medullary space