He has immerged the dress in the boiling dye for two hours .
他已把衣服浸入滚烫的染料中两个小时了。
The diver immerged in the icy sea for several minutes .
潜水员潜入冰冷的海里数分钟。
Is the true hydroponics by definition that parts of plant roots are immerged in a liquid medium ( nutrient solution ) , and another parts of roots are suspended over nutrient solution .
