基本解释[医药科学]神经示踪英汉例句双语例句Objective: To choose the best of tracers and tracing time as study on retrograde tract-tracing in sciatic nerve of dog.目的：确定狗周围神经逆行示踪试验的最佳示踪剂及示踪时间。nerve tract tracing更多例句专业释义医药科学神经示踪