Tack the cord around the cushion.用粗线沿着垫子边绷一圈。Inflate your life jacket by pulling sharply on the cord.猛拽绳扣使你的救生衣充气。A threefold cord is not quickly broken.三股拧成的绳子不易断....
Thickening and perivascular lymphocytic cuffing of cord blood vessels . H and E X 250.脊髓血管增粗;脊髓血管周围可见淋巴细胞浸润,形成一层套膜(苏木精-伊红染色,原始放大倍数X250倍).Neurosyphilis : is an infection of the brain or spinal cord.神经性 梅毒 是一种脑部或脊髓感染.I mus...