hot-water bag的音標是["h?t, w??t?r ? b?g]。基本翻譯是熱水袋。速記技巧可以考慮使用諧音記憶，即“火沃子被百鬼”。

Hot-water bag的英文詞源：

Hot-water bag 的英文詞源是 hot water bag，它是由 hot 和 water bag 兩個部分組成的。其中，hot 是形容詞，表示熱的；water bag 是名詞，表示裝滿水的袋子。因此，hot-water bag 的意思是裝滿熱水的袋子，也就是我們通常所說的熱水袋。

變化形式：

在英語中，hot-water bag 的變化形式主要包括復數形式和過去式、過去分詞形式。其中，復數形式為 hot water bags，過去式為 hothed 或 heated，過去分詞形式為 heated。

相關單詞：

以下是與 hot-water bag 相關的十個單詞：

1. heating device（加熱裝置）：與 hot-water bag 相關的單詞之一是 heating device，它指的是用于加熱物體的裝置，包括電熱毯、熱水袋等。

2. electric hot-water bag（電熱水袋）：是指用電能加熱的熱水袋，是一種常見的家用電器。

3. water bag（水囊）：是一個名詞，指的是一種用于盛放水的容器，與 hot-water bag 有一定的相似之處。

4. heated pad（加熱墊）：是指用于加熱墊子或墊子的裝置，與 hot-water bag 不同的是它不需要人工注入熱水。

5. heated towel rack（加熱毛巾架）：是指用于加熱毛巾的裝置或架子，與 hot-water bag 也有一定的關聯。

6. heated blanket（電熱毯）：是指用電熱絲加熱的毯子，也是一種常見的家用電器。

7. waterproof hot-water bag（防水熱水袋）：是指具有防水功能的熱水袋，適用于戶外活動或需要防水的情況。

8. hot water bottle（熱水瓶）：是一個古老的詞匯，指的是裝滿熱水的瓶子，現在通常指代傳統的陶瓷或玻璃熱水袋。

9. heated pillow（加熱枕）：是指用于加熱的枕頭，通常使用電熱絲或電熱片加熱。

10. thermal insulation hot-water bag（隔熱熱水袋）：是指具有隔熱功能的熱水袋，適用于保溫和保持溫度的情況。

常用短語：

1. hot water bag for back

2. hot water bag for foot

3. hot water bag for abdomen

4. hot water bag for cold hands and feet

5. hot water bag for sore muscles

6. hot water bottle

7. electric hot water bag

例句：

1. I put a hot water bag on my back to relieve the pain from a recent injury.

2. My grandmother uses a hot water bag for her feet after a long day of work.

3. My mother often puts a hot water bag on her abdomen to relieve her menstrual cramps.

4. I love the feeling of a hot water bag on my cold hands and feet in the winter.

5. After a long workout, I use a hot water bag to soothe sore muscles.

6. My friend uses an electric hot water bag to keep her warm at night.

7. The hotel provides us with a hot water bag to keep us warm during our stay.

英文小作文：

Hot Water Bag - A Comfortable Way to Relieve Pain and Discomfort

Hot water bags are a great way to soothe sore muscles, alleviate cold hands and feet, and provide warmth during chilly winter nights. Whether you use a traditional cotton hot water bag or an electric one, they offer comfort and relaxation to the body.

When you wake up with sore muscles from a long day of exercise or work, a hot water bag can provide instant relief. It helps to relax the muscles and reduces pain, making you feel better quickly. Similarly, if you suffer from cold hands and feet in the winter, a hot water bag can provide instant warmth, making you feel more comfortable and cozy.

Moreover, a hot water bag can be used to keep yourself warm during chilly winter nights. It provides warmth to the body, making you feel comfortable and relaxed. Whether you use it at home, in the office, or while traveling, a hot water bag can be a great addition to your comfort kit.

Hot water bags are inexpensive and easy to use, making them a great addition to your home or travel essentials. So, next time you feel pain or discomfort, consider using a hot water bag to provide instant comfort and relaxation to your body.