请放慢车速，前面有学校。

Please ___slow down your car, there's a school ahead.

天气转冷后，花园里的植物生长速度明显减慢了。

The growth of plants in the garden noticeably ___slows as the weather gets colder.

交通堵塞总是会减慢我们的行程。

The traffic jam always ___slows our journey.