然后，当发动机点火时，等待倒计时数到零。

And, as the engines ignite, wait for the countdown to reach zero.

youdao

我们已经有太多类似的呼叫（详细请看倒数到零的记录文献）。

We’ve had too many close calls already (see the documentary Countdown to Zero for details on that).

youdao

当我数到零的时候，你就不会再打我了……理论上应该是这样。

When I reach zero, you're going to stop pummeling me... well, that's the theory.

youdao