Bring the mixture to the boil and continue to cook steadily until the syrup reaches 120C/250F on a sugar thermometer.

大火烧开，继续煮，直到糖浆到达120摄氏度/250华氏度的高温（按照糖果温度计测量）。

youdao

Bring the mixture to the boil and continue to cook steadily until the syrup reaches 120C/250F on a sugar thermometer.

大火烧开，继续煮，直到糖浆到达120摄氏度/250华氏度的高温（按照糖果温度计测量）。

youdao