external stimulus

• 外在刺激

external stimulus的用法和样例：

例句

1. Democrats are unlikely to agree to extending the tax cuts and, despite the seeming bipartisan enthusiasm for the stimulus package, it could run into trouble on Capitol Hill.
   民主党人不太可能同意延长减税政策，尽管两党在刺激经济的一揽子政策上进行了合作，但延长减税政策恨可能在国会遇到阻力。
2. Protein phosphorylation, which is mediated by enzymes, called protein kinases, is a major mechanism for transducing external stimuli into intracellular signals.
   在这其中，把细胞外刺激转导到细胞内是通过蛋白质磷酸化来完成的，而蛋白质磷酸化又被蛋白激酶介导。