目前主要采用离子交换水处理法。
当然可以。请给我您的兑换水单。
请出示相关的兑换水单好吗？
老师：博比，你今天给金鱼换水了吗？
Teacher: Bobby, have you given the goldfish fresh water today?
如果你经常换水，是可以维持好几天的。
If you change the water regularly, they'll last for several days.
这是现金和外汇兑换水单。
职员：好，我现在就为您填写这张兑换水单。
请保存好您的兑换水单。
请填一下兑换水单好吗？
我常常去喂它们，给它们换水。我们是好朋友。
I often feed them and change water for them. We are good friends.
请您填写兑换水单。
缓慢地逐渐换水，使用较清凉的水。并调整加热。
Slowly lower water temperature by gradually replacing it with cooler water. Adjust heater.
重复第1步，并搅拌以洗去蜡涂层，最后换水煮面条。
Repeat Step 1 and try to stir the noodles again to wash away the wax coating on the noodles before cooking it in a.
解决的办法是要常替换水管，即使看上去水管是好的。
The solution is to replace hoses, even ones that look good, more frequently.
人口趋向生育等值替换水平是历史最有戏剧性的社会变化。
The move to replacement-level fertility is one of the most dramatic social changes in history.
局部换水。添加亚甲基蓝，每加仑水添加2 -5滴。
Do partial water changes. Add 2-5 drops per gallon of Methylene Blue.
这是外汇兑换水单，请填上您的姓名，需要兑换的金额。
This is an exchange memo. Please fill in your name and the amount you intend to change.
那么，如果我可以提一个建议的话，请您保管好这张兑换水单。
So, if I may make a suggestion, please keep your exchange memo safe.
理由是生育等值交换水平的扩展表明人口增长不论怎样还是在减速。
The reason is that widening replacement-level fertility means population growth is slowing down anyway.
到2020年左右，全球生育率将第一次低于全球生育等值替换水平。
By about 2020, the global fertility rate will dip below the global replacement rate for the first time.
喝桶装水安全? 桶装水不但价格昂贵，而且存放和换水很不方便。
The safety of bottled water to drink bottled water? Not only expensive, but also very convenient for storage and water.
职员：好，我现在就为您填写这张兑换水单。您请在那里坐一会行吗？
Clerk: Good. I will fill out the exchange memo for you now. Why do not you take a seat over there for a moment?
顾客：啊，我想兑换些钱，但不知道怎样填写兑换水单。我不会看英文。
Customer: Oh, I want to change some money, but I do not know how to fill out the exchange memo.
这是兑换水单，请填写您的姓名，护照号码，国籍以及您打算兑换的金额。
This is an exchange memo. Please fill in your name, memo. passport number, your nationality and the amount you intend to change.
穷人们甚至用不上自来水和下水道，所以他们在盆里洗盘子，而且很少换水。
Poor people do not even have a water supply and sewage, so they wash the dishes in a basin. And they change water on rare occasions.
职员：好，我现在就为您填写这张兑换水单。您请在那里坐一会行吗？潀。
Clerk: : Good. I will fill out the exchange memo for you now. Why do not you take a seat over there for a moment?
职员：那么，如果我还可以提一个建议的话，请您保管好您的这张兑换水单。
Clerk: So, If I may make a suggestion, please keep your exchange memo safe.
职员：那么，如果我还可以提一个建议的话，请您保管好您的这张兑换水单。
Clerk: So, If I may make a suggestion, please keep your exchange memo safe.
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