They just wait, they wait for their time, they wait until you are in danger from a particular antigen.

它们时刻准备着,在等待着那一刻,等待你被某种特别的抗原威胁的时刻

耶鲁公开课 - 生物医学工程探索课程节选

They're synthesized, they're packaged into vesicles, and then they're just waiting.

神经递质不断合成 包装进小泡中,时刻准备着

耶鲁公开课 - 生物医学工程探索课程节选

If I looked within the skin, one of the lower layers of your skin, the connective tissue layer, you'd find many fibroblasts there and they're just waiting in a more rounded shape than this, just waiting to do their job.

如果观察皮肤,更深处的一层细胞,结缔组织层,就能看到许多成纤维细胞,它们平时形状接近圆形,时刻准备着去完成自己的任务

耶鲁公开课 - 生物医学工程探索课程节选

If you could look inside a pre-synaptic axon terminal, you would find one of the characteristics is that it's loaded with these vesicles and they're just sitting there waiting to receive an action potential so that they can immediately dump their contents.

如果你能够一窥突触前的轴突末梢内部,你将会发现一个共同特征,神经递质都装载在小泡中,时刻准备着等待动作电位激活,以便迅速释放其内含物

耶鲁公开课 - 生物医学工程探索课程节选