?的意思：unfold是指展開、打開的意思。

的用法：unfold可以作為動詞使用，也可以作為形容詞使用。作為動詞時，常用于描述將折疊的物品展開或打開；作為形容詞時，常用于描述某件事情或情況逐漸發展、變得清晰或顯露出來。

的例句1-5句且中英對照：

1. She carefully unfolded the letter and read it. 她小心地展開信并閱讀了它。

2. The flower petals slowly unfolded in the warm sunlight. 花瓣在溫暖的陽光下慢慢地展開。

3. The story of her life gradually unfolds as you read further. 隨著你繼續閱讀，她的生活故事逐漸展現出來。

4. The map unfolded to reveal a hidden route through the mountains. 地圖展開后顯示出一條穿越山脈的隱藏路線。

5. As the events of the night unfolded, it became clear that something was wrong. 隨著夜晚的發生，很明顯有什么不對勁。

的同義詞及用法：

1. Unroll：指卷起來的東西被慢慢地鋪平或拉伸。：She unrolled the carpet and spread it out on the floor.

2. Unfolded：過去分詞形式，指已經展開或打開的狀態。：The book lay open on the table, its pages unfolded.

3. Expand：指某物體被拉伸或擴大，使其變得更大。：The company plans to expand its business to other countries.

4. Develop：指某事物逐漸變得更加明顯或完全形成。：As the story developed, the truth was revealed.

5. Evolve：指某事物逐漸發展、演變或進化。：The technology has evolved over the years and become more advanced.