host city的音標為：[?h??st s?t?] ，基本翻譯為“主辦城市”，速記技巧為：host（主辦）+ city（城市）。

Host city的英文詞源是拉丁語，表示主辦城市或主場城市。它的變化形式主要有復數形式hosts，過去式形式hosted，現在分詞形式hosting。相關單詞有：hostel（旅館）、hostage（人質）、hostile（敵對的）、hostile environment（惡劣環境）、hostile takeover（敵意收購）等。這些單詞都與主場、主辦、主持、主權、敵對等概念有關，體現了host city在各種場合下的重要性和應用。

以上內容僅供參考，建議查閱專業的英語詞典獲取更準確的信息。

常用短語：

1. host city

2. host the Olympics

3. be the host city

4. host a party

5. welcome the guests

6. show hospitality

7. be the center of attention

例句：

1. Beijing is the host city of the 2022 Winter Olympics.

2. The host city always welcomes the guests with great hospitality.

3. The host city is the center of attention during the Olympics.

4. We should show our hospitality to all visitors who come to our city.

5. The host city must work hard to ensure a successful Olympics.

6. The host city should be ready to answer any questions that may arise.

7. The host city should be able to provide a safe and enjoyable environment for everyone.

英文小作文：

The Olympics are a great event that brings people from all over the world together in one place. Beijing, as the host city, has been working hard to ensure that everything goes smoothly and that everyone has a great time. From the opening ceremony to the closing ceremony, Beijing will be the center of attention as everyone looks forward to seeing the best athletes in the world compete against each other. We should show our hospitality to all visitors who come to our city and make sure they have a safe and enjoyable experience. I am proud to be a part of this great event and I am looking forward to seeing everyone compete and have fun together.