half-mast

half-mast的音标是[hɑːf mɑːst]，基本翻译是半降旗，速记技巧是：half（半）+ mast（桅杆）→半降旗。

half-mast这个词源自英语，表示“旗杆的一半高度”，即旗杆处于半降状态。这个词的词源可以追溯到古英语中的“hal”和“mæst”，意为“一半”。

变化形式：

1. 形容词形式为half-masted，表示部分降下的状态。

2. 副词形式为half-masting，表示以半降状态进行某项活动。

相关单词：

1. lowered：表示降低、放低，与half-masted同源，可以用来描述旗杆或灯塔等物体处于半降状态。

2. half-light：表示半明半暗的状态，通常指天刚刚亮或即将天黑时的光线。

3. half-hearted：表示不专心、不热心的，因为缺乏全心全意的投入而处于半途而废的状态。

4. half-size：表示半尺寸的，通常指大小、尺寸减半的产品或设备。

5. half-empty：表示半空的，与half-masted相反，形容事物处于半满或半空的状态。

6. half-way：表示在中途、半途的，形容事物处于一半的位置或状态。

7. half-moon：表示半圆的，与half-masted同源，可以用来描述月亮或星星等天体处于半满状态。

8. half-life：表示半衰期，描述放射性物质衰变一半所需的时间。

9. half-way house：表示中途之家，一种为戒毒、戒酒等康复治疗提供帮助的机构。

10. half-life of radiation：表示辐射的半衰期，描述辐射强度随时间衰减一半所需的时间。

常用短语：

1. half-mast

2. half-hearted

3. half-empty

4. half-time

5. half-way

6. half-baked

7. half-arsed

例句：

1. The flag was half-mast as a sign of mourning.

2. He gave up halfway in his task.

3. The project is only half-completed.

4. Half-heartedly, she tried to help the children with their homework.

5. We are halfway through our journey and enjoying every moment of it.

6. The cake was half-baked and tasted terrible.

7. He is always half-arsed at work and needs to improve his attitude.

英文小作文：

Half-Mast: A Symbol of Loss and Mourning

Half-mast, a symbol of mourning and loss, reminds us of the fragility of life and the importance of cherishing every moment. When the sun sets and the flag droops at half-mast, it signifies that we must always remember those who have passed away, leaving a void in our hearts and memories.

On this day, we pause to reflect on the beauty and fragility of life, and we renew our commitment to cherishing the ones we love, to making a difference in this world, and to never taking anything for granted. Through our actions and words, we can honor those who have passed away by living our lives with purpose and meaning, and by remembering them with love and gratitude.