在丢失的消息到达前，拒收顺序错乱的消息。

Holds back out-of-order messages until missing messages arrive.

youdao

首先出现水位的逐渐变化，这是风暴到达前几小时的先兆。

Firstly comes a gradual change in water level, the forerunner, a few hours ahead of the storm's arrival.

youdao

想要围攻得手，攻击需要在俄国主力到达前以最快速度结束。

For the siege to be successful it needed to be over quickly before the main Russian army arrived.

youdao

When an action potential comes down this pre-synaptic axon, when it reaches this point here, it sets off the process of these vesicles dumping their content into the synaptic cleft.

当动作电位到达轴突的突触前膜时,当到达这一点时 小泡就将其内含物,排放到突触间隙中去

耶鲁公开课 - 生物医学工程探索课程节选