Serum NSE was measured by solid phase ethanol immunoadsorption and serum IL - 6, by double antibody ELISA.以固相醇联免疫吸附法(SPEIA)测定血清NSE水平,以双抗体夹心ELISA法测定血清IL - 6水平.This fact shows that MTBE and ethanol retard the oxidation of ...
那天下午她发出了远远不止400份请柬。She had sent out well over four hundred invitations that afternoon.我们印了250份请柬。We printed two hundred and fifty invitations.他们还没收到参加婚礼的请柬。They haven't got an invite to the wedding....
Tap your cheeks all over with the pads of your fingers.用手指头肚儿轻拍脸颊一遍。Freddy speaks very quietly and pads around in soft velvet slippers.弗蕾迪说话轻声细气，穿着柔软的天鹅绒拖鞋蹑手蹑脚地四处走动。Elbow pads and knee pads are essential on a skateboard....
There was constant jeering and interruption from the floor.议员席上不断有人在嘲讽和打岔.It's a constant struggle to try to keep them up to par.要让他们达标，需要不断努力。Constant wheelchair use will scuff almost any floor surface.任何地板上经常有轮椅走动...