on the boil

基本解释

When it is on the boil – we lessen the fire and scum.
当汤滚了之后，我们把火减小然后剽除汤里的浮渣。
But she isn't giving up on cinema just yet; Guo already has a new feature on the boil.
但，郭小橹并没有放弃制作电影；事实上，一个新的作品正在酝酿。
New Year's Eve on the boil gradually formed the habit of years, Shou Sui.
就逐渐形成了除夕熬年守岁的习惯。

Engineers had to boil off the remaining oxygen by turning on a heater in the tank.

Immigration is on the boil as a political issue in America and is controversial in much of the developed world.
FORBES: Magazine Article
Once again she returns to the kitchen to make her cup of tea and realizes she never turned the stove on to boil the water in the tea kettle, so she turns the dial and adjusts the flame, grabs an apple and a stack of mail that needs attention and heads back into her office and back to me.
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Yes, we were put on the slow boil.
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