我们需要水封填料。
我们也需要水。
我们需要有水喝。
We need books just as we need water.
我们对知识的需求就像我们需要水一样。
我们需要水喝。
We need water to drink, to cook food and to clean ourselves.
我们需要水来饮用、烹饪和洗澡。
We need water to drinkto cook our food and to clean ourselves.
我们需要水喝煮食物和清洁自己。
We need water to drink, to cook out food and to clean ourselves.
我们需要水来饮用，做饭和洗澡。
We need water to drink take a shower or bath water plants and so on.
我们需要水喝洗澡或沐浴水生植物等等。
We need to cut nitrate levels in water.
我们需要降低水中的硝酸盐含量。
We need to drink lots and lots of water.
我们需要喝大量的水。
We need to take the salt away from the sea water.
我们需要把盐从海水中去除。
For example, he says, we will always need sewage and water treatment.
他说，比如我们总是需要污水和饮用水处理。
Miss Fang,we've got some water but we need some paints.
芳小姐，我们有一些水，但是我们需要一些油漆。
"We need food and water more than anything else," she said.
我们急需水和食物。
We need drinking water, " he said.
我们需要饮用水，”他说。
As long as there's water, no matter how little, we need to do something.
只要有水，不管多少，我们都需要做一些事。
These plants will produce the food, water and oxygen that we need.
这些植物将会产出我们所需要的食物、水和氧气。
我们也需要水。
我们需要很多水。
We need the fresh air, the clean water and so on .
我们需要新鲜的空气，干净的水等等。
We need another basin of water.
我们还需要一盆水。
We need food and water in order to sustain life.
我们需要食物和水来维持生命。
We need fresh air to breathe. We need pure water to drink. We need a clean environment to be healthy.
我们需要新鲜的空气来呼吸，我们需要纯净的水来饮用，我们需要一个干净的环境来保持健康。
How many litres of water do we need each day?
我们每天需要多少升的水呢？
How many litres of water do we need each day?
我们每天需要多少升的水呢？
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