designated

designated的音标是[dɪˈzeɪtɪd]，基本意思是“指定的；指定的；选定的；特征鲜明的”。速记技巧是可以通过词根词缀去记忆。

designated的英文词源为designate，意为“指明，指定”。这个词源于拉丁语designatus，意为“被指定的”。其变化形式主要有designated，designates，designation等。相关单词有：design，指出，规划；appoint，任命；select，选择；mark，标出；denote，表示；refer，指的是；assign，分配；designate，标明；mark out，标出范围。这些单词在语义和用法上与designated有着密切的联系。

例如，design可以表示为设计、计划等，它也可以表示为标记、指示等含义。在句子中，我们经常使用design来指出某个特定的对象或概念。appoint则表示为任命、选派等行为，它强调的是指定某人或某物来完成某项任务或职责。select则常用于表示选择、挑选等行为，强调的是从多个选项中做出决定。这些单词与designated在语义和用法上都有着密切的联系。

总之，designated作为英文单词，其词源和变化形式都与指定、指定对象等含义有关。相关单词在语义和用法上也有着密切的联系，可以帮助我们更好地理解和使用这个单词。

designated短语：

1. designated driver：指派司机

2. designated market：指定市场

3. designated price：指定价格

4. designated representative：指定代表

5. designated securities：指定证券

6. designated shareholder：指定股东

7. designated user：指定使用者

例句：

1. The designated driver ensures that everyone gets home safely after the party.

2. The company has designated the local market as its primary focus.

3. The government has designated a price ceiling for the commodity.

4. The company has appointed a designated representative to handle its overseas business.

5. The stock market is currently trading in designated securities.

6. The shareholders have elected a designated board of directors.

7. The equipment is to be used for designated purposes only.

英文小作文：

Designated Driver - A Responsibility and a Courtesy

When going out for a night of fun, it is always important to remember that everyone should be able to go home safely. This is why it is always recommended to have a designated driver on hand. A designated driver is someone who volunteers to be the one responsible for getting everyone home after the party has ended. This person knows how much everyone has had to drink and can ensure that they get home safely. It is a responsibility and a courtesy that should be respected by everyone. If you are planning on having a night of fun, make sure to have a designated driver on hand so that everyone can go home safe and sound.