available

available的音标为[əˈveɪləbl]，基本翻译为“可利用的；可实行的；有空的”，速记技巧为：“av”谐音“啊喂”，表示可被利用；“able”表示可…的。

"available"这个词的词源可以追溯到拉丁语词根"ad"（表示“到”或“接近”）和"venire"（表示“来”），结合起来表示“可接近的”或“可到达的”。

它的变化形式有：

1. availability（可用性）：这个名词形式表示某物可被使用的状态。

2. unavailability（不可用性）：这个名词形式表示某物不能被使用的原因。

相关单词有：

1. accessibility（可接近性）：这个词表示某物或某人在心理或物理上容易接近的程度。这个词可以用来描述信息、资源或设施的可获取性。

2. availability bias（可得性偏差）：这个词指的是人们过于关注他们能够轻易获取的信息，而忽视了其他可能更有价值的信息。

3. availability heuristic（可得性启发）：这个词指的是人们根据自己能够轻易获取的信息来做出一般性推断的策略。

"available"这个词在英语中非常常用，它可以用来表示某物是可用的、可获得的，或者某人愿意与他人分享或交流。这个词的使用范围广泛，可以用于描述各种资源，如时间、空间、物品、信息等。

常用短语：

1. available for sale

2. available for rent

3. available resources

4. available bandwidth

5. available capacity

6. available time

7. available options

例句：

1. The house is now available for sale.

2. The apartment is available for rent for a period of six months.

3. The company has a limited amount of available resources to allocate to new projects.

4. The network connection is currently available at 1 Mbps.

5. The factory has available capacity for producing additional goods.

6. Please make sure to schedule your appointment during available time slot.

7. There are several options available for funding this project.

英文小作文：

标题：Finding the Right Time to Purchase a House

When it comes to purchasing a house, finding the right time can be crucial. During certain times of the year, properties may be more affordable, and there may be more properties available for sale. However, it"s also important to consider other factors such as the market conditions, the availability of mortgage options, and your personal financial situation.

If you"re considering purchasing a house, it"s recommended to do your research and identify the best time for you based on these factors. You can also consult with a real estate agent or financial advisor to help you make an informed decision. Finally, remember to factor in the emotional aspect of purchasing a house, as it"s an important decision that can have a lasting impact on your life.