1. 水的凈化可由蒸餾獲得。
   Purification of water may be achieved by distillation.
2. 水的分子式是什么？
   What is the formula for water?
3. 我們必須確保飲用水的純凈。
   We must ensure the purity of drinking water.
4. 這個水庫是用來為我們小鎮(zhèn)存儲水的。
   This reservoir is used to store water for our town.
5. 水的密度是1。
   The density of water is 1.
6. 橡膠鞋是防水的。
   Rubber boots are impervious to water.
7. 一公升氣體的質量少于一公升水的質量。
   A liter of gas has less mass than a liter of water.
8. 油在常規(guī)條件下是不能溶解于水的。
   Oil is insoluble in water under common conditions.

水的英語翻譯：