If no other safe water supply can be obtained, tap water that is too hot to touch can be left to cool and is generally safe to drink.

leave sth. to do sth. ^{丢下/搁置某事去做另一件事}

• Leave the rice to cook for 20 minutes.
• He decided to leave his homework to watch the football match. ^{他决定放下作业去看足球比赛。}
• The fresh-baked bread should be left to cool completely before slicing.^{新鲜出炉的面包应该完全放凉后再切片。}

can be obtained ^{可以获得/取得}

• Further information about the product can be obtained from the company website.^{有关该产品的更多信息可以从公司网站上获得。}
• The necessary permit can be obtained at the town hall.^{必要的许可证可以在市政厅取得。}
• He had obtained the membership of the Mechanic Club. ^{他已经取得了技工俱乐部的成员资格。}

Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.

remote ^{adj. far from towns or other places where people live = isolated 偏远的，与世隔绝的}

• We always assume that villagers in remote places are friendly and hospitable.
• In remote mountain areas, voters arrived on horseback. ^{在偏远山区，选民们是骑着马来的。}
• Nichols set off for his remote farmhouse in Connecticut. ^{尼科尔斯启程前往他位于康涅狄格州的偏远农舍。}

easily / readily available ^{易于得到的；随处可见的}

• Parking is readily available near the station entrance.
• The information is easily available on the Internet.
• The Moon is likely to become the industrial hub of the Solar System, supplying the rocket fuels for its ships, easily obtainable from the lunar rocks in the form of liquid oxygen.
• Information on almost any topic is now readily available on the internet. ^{现在互联网上几乎任何话题的信息都触手可及。}

knows about sth. ^{If you know about a subject, you have studied it or taken an interest in it, and understand part or all of it. 对于……熟悉，通晓，懂行}

• I have a friend who knows about antiques.
• Hire someone with experience, someone who knows about real estate.
• The engineer needs to know about the various possible methods for solving the stability issue.^{工程师需要了解解决稳定性问题的各种可能方法。}

method for / of (doing) sth. ^{做某事的方法（侧重于目的或适用性）}

• effective methods for the storage and retrieval of information
• Vaccination is one of the most effective methods for preventing disease.
• There is no quicker method of disposing of patients than by giving them what they are asking for, …
• Apart from moral considerations this is a stupid method of training, …
• The scientist developed a new method for detecting early-stage diseases. ^{科学家开发出一种用于检测早期疾病的新方法。}