翼龙的每个前肢都有一根长长的第四指，支撑着像翅膀一样的膜。
In pterosaurs a greatly elongated fourth finger of each forelimb supported a wing-like membrane.
像许多其他影响神经元放电的物质一样，腺苷必须首先与神经元膜上的特定受体结合。
Like many other agents that affect neuron firing, adenosine must first bind to specific receptors on neuronal membranes.
像多数的高级比赛用帆一样，船帆由双层聚酯纤维膜组成，内部填充碳纤维以增加强度。
Like most advanced racing sails, they are a sandwich of polyester film sheets with a filling of carbon fibers providing strength.
应用推荐