On high heat and at a rolling boil, the dumpling should only take like two to three minutes to cook.

在高温和沸腾的情况下，饺子只需要两到三分钟就可以煮熟。

The Black Lives Matter movement was at a rolling boil, and the conversation on gender inequality had just started bubbling up again.

Black Lives Matter 运动如火如荼，关于性别不平等的讨论又开始沸腾起来。

Now, we're going to bring this to the boil and then let it on a rolling boil for three-quarters of an hour to an hour until the vegetables are soft.

现在，要把汤煮沸，然后让它滚动煮沸四分之三到一小时，直到蔬菜变软。