garment bag的音標為：[?ɡɑ?m?nt b?ɡ]，基本翻譯是“服裝袋”，速記技巧可以是：garment（服裝）+bag（袋子）＝garment bag（服裝袋）。

Garment bag這個詞的詞源可以追溯到英語中的“garment”和“bag”兩個詞。其中，“garment”意為“衣服”，而“bag”則表示“袋子”或“包裹”。因此，“garment bag”可以理解為“裝衣服的袋子”或“用于存放衣服的袋子”。

這個詞的變化形式主要有兩種：一是復數形式“garment bags”，用于表示多個裝衣服的袋子；二是過去式和過去分詞形式“garmented”和“garmented”，用于表達已經將衣服裝入袋子等動作。

相關單詞方面，除了“garment bag”之外，還有“clothes bag”、“suitcase”、“wardrobe”、“trunk”、“packing case”、“baggy”、“pouch”、“valise”、“bag”等與衣服和袋子相關的單詞。這些單詞在英語中都有不同的含義和應用場景，例如“clothes bag”可以表示裝衣服的背包或口袋，“suitcase”則通常指旅行用的手提箱。

總之，garment bag作為一個常用的英語詞匯，其詞源、變化形式和相關單詞都與衣服和袋子有關，體現了英語詞匯的多樣性和靈活性。

常用短語：

1. clothing bag

2. garment carrier

3. outfit bag

4. wardrobe bag

5. handbag for clothes

6. luggage bag for clothes

7. clothing compartment bag

雙語例句：

1. I always keep my garments in a stylish clothing bag when traveling. (旅行時，我總是用一款時尚的袋子裝我的衣物。)

2. The garment bag was hanging on the back of the door, waiting to be dry-cleaned. (衣物袋掛在門后，等待干洗。)

3. She carried her outsized handbag for clothes with ease. (她輕松地提著手提大袋子，里面裝著她的衣物。)

4. The luggage bag for clothes was full of her summer wardrobe. (裝著她夏季衣物的行李袋已經裝滿了。)

5. The clothing compartment bag was too big to fit into the overhead compartment. (這個衣物袋太大了，塞不進頭頂的行李架里。)

英文小作文：

I love to dress up, and my wardrobe is full of beautiful clothes. To keep my outfits organized, I use a special garment bag. It helps me keep track of my clothes and ensures they are kept clean and safe until I need them for a special occasion. When I travel, I always bring my clothing bag with me, so I can pack my outfits efficiently and easily. It is a great way to keep my clothes fresh and looking their best, no matter where I am. I hope you can find a way to keep your belongings organized too!