这些可能会在细胞表面和受体分子结合在一起。These may bind to receptor molecules on the surfaces of cells.这种化学物质湮没了突触, 覆盖了5—羟色胺的受体.The chemical floods the synapse, overwhelming the serotonin receptors.在需氧体系中, 氧是末端电子接受体并且被还原.In aerobic systems,...
Children would settle disputes by trading punches or insults in the schoolyard.儿童会通过在操场上对打或互骂的方式解决争端。The superintendent swaggered into the schoolyard.督学阔步高视地走进校园.I ran faster than ever, reaching the schoolyard quite out ...
If you have difficulty sitting like this, prop up your back against a wall.如果这么坐着有困难，就背靠墙坐吧。A worker put a prop against the wall of the tunnel to keep it from falling.一名工人用东西支撑住隧道壁好使它不会倒塌.He used a box to prop the door o...