A constant supply of food should be given until the cold is over and spring has come.
在严寒过去、春天来临之前，应该持续供应食物。
2
Cold season is upon us, and the constant advice you will hear from doctors and friends it to keep washing your hands.
冷天气已经来了，你将会从医生和朋友那里经常得到建议要洗手。
3
The liquid vaccines they require are often temperamental, needing constant refrigeration and thus what is known as a "cold chain" to keep them in tip-top condition as they move from factory to clinic.