dark-blue的音標是["dɑ?k-blu?]，翻譯為“深藍色”。

速記技巧：將dark視為/dɑ?k/，blue視為/blu?/。

Dark Blue的英文詞源：

Dark Blue是一個形容詞，意為“深藍色的”。這個詞來源于中古英語單詞“darke bloue”，其中“darke”意為“深色”，“bloue”是藍色。

變化形式：

Dark Blue可以變為副詞darkly，意為“暗地里”。此外，它還可以變為名詞dark blue color，意為“深藍色”。

相關單詞：

1. Blueprint：意為“藍圖”，來源于blue和print，指用藍色墨水打印的文件或圖紙。

2. Purple Heart：意為“紫心勛章”，源于紫色，常用于指代在戰爭中受傷的士兵所獲得的榮譽。

3. Indigo：意為“靛藍”，是一種天然染料，也是藍色系之一。

4. Azure：意為“蔚藍的，天藍色的”，來源于拉丁語，指天空的藍色。

5. Ebon：意為“黑玉”，源于黑色，常用于描述深藍色或黑色。

6. Azure Blue：意為“碧藍色”，是一種淡雅的藍色，來源于藍色和綠色。

7. Indigo Blue：意為“靛藍藍色”，是一種深藍色，常用于描述天然靛藍染料的顏色。

8. Ocean Blue：意為“海洋藍色”，是一種深邃的藍色，常用于描述海洋的顏色。

9. Sky Blue：意為“天藍色”，是一種淺淡的藍色，常用于描述天空的顏色。

10. Deep Blue：意為“深藍色”，是一種深邃的藍色，常用于描述海洋、天空等深色背景。

以上這些單詞都與Dark Blue有密切的聯系，并且可以用來描述不同的藍色系和相關的物品或概念。

常用短語：

1. dark blue ink

2. a dark blue suit

3. dark blue mood

4. dark blue moods

5. in the dark blue

6. dark blue moods

7. wear a dark blue shirt

例句：

1. I used dark blue ink to write my homework.

2. He wore a dark blue suit to the party.

3. She was in a dark blue mood after the breakup.

4. I am feeling dark blue today, I am feeling sad and hopeless.

5. The sky was a dark blue in the morning.

6. She was feeling down and in a dark blue mood.

7. The ocean was a deep, dark blue, and the waves were rolling in.

英文小作文：

My favorite color is dark blue, because it represents peace and tranquility. I often wear a dark blue shirt to relax and unwind after a busy day. When I look at the sky or the ocean in dark blue, I feel calm and at peace with myself. It helps me to forget all my troubles and worries, and I can focus on what is important in my life. Dark blue is also a color that goes well with many different styles of clothing, so I can easily match it with my daily outfits without looking too matchy-matchy. I hope you can feel the peace and tranquility that dark blue brings to me every day!