After the bulb is placed in the water, if the air temperature changes dramatically, you can put the whole basin that holds the narcissus bulb into a bigger container, then adjust the temperature of the bulb by adding either hot water or ice cubes.
萬一下水後氣溫反常，還可以將整盆水仙放進大容器中，注入溫水或冰塊以調節適當溫度。