不需要水
no necessary───没有必要
no water───没有水
necessary───n.必需品;adj.必要的;必需的;必然的;n.(Necessary)(英)内塞瑟里(人名)
no feed water───无给水
in necessary───必要时
if necessary───如果必要的话;如必要的话
not necessary───不需要;不必要
necessary skills───必备技能
absolutely necessary───绝对必要;不可或缺;不可缺少;必不可少
We assume that no water treatment for domestic sewage water is necessary for the plot.───我们假定场地内的生活污水无需进行水处理。
If there is no occasion to use tap water, it is necessary to select air-cooled.───如果使用场合没有自来水,就必须选择风冷式。
So it was no longer necessary to change the water in a tank for fish to live there. This led to the building of the first public aquariums.───所以,就没有必要再对养鱼缸中的水进行更换,这导致了第一批水族馆的兴建。