One second is a thousand milliseconds.

一秒等于一千毫秒。

The PE teacher has a millisecond counter in his hand.

体育老师手里拿着毫秒计数器。

The power of millisecond detonators should not be underestimated.

毫秒雷管的威力不可小觑。

I hesitated a millisecond too long.

我几乎没犹豫。

Reading the object back took 1 millisecond.

而将这个对象读回则花了 1 毫秒。

It won't save much, but every millisecond counts.

这样不会节省太多时间，但能节省几毫秒的时间。

It encapsulates an instant in time with millisecond precision.

它以毫秒级的精度封装时间上的某个瞬间时刻。

Typically, millisecond pulsars are around a billion years old.

这颗毫秒脉冲星的年龄仅为2500万年，而典型的毫秒脉冲星年龄都在10亿年左右，因此让科学家感到无比惊讶。