fastness

fastness的音标是[ˈfɑːstnəs]，基本翻译是“坚固，稳固；强大”。速记技巧可以是将其拆分为字母组合进行记忆，例如将“f”和“st”联想为“石头”，将“as”联想为“蚂蚁”，这样记忆可以联想到“石头上有很多蚂蚁，蚂蚁在保护着这块土地，即坚固、稳固”。

Fastness这个词的词源可以追溯到拉丁语和古英语，它指的是防御工事、堡垒或城堡。这个词在英语中的变化形式包括名词形式fastnesses、副词形式fastest，形容词形式fast、fasten等。

相关单词：

Fortress：意为堡垒，这个词直接来源于拉丁语fortis，意为强大的、坚强的。Fortress通常指具有强大防御能力的建筑物或地区。

Stronghold：意为堡垒或根据地，这个词来源于古英语，意为“强者的堡垒”。Stronghold通常指一个地方在军事上具有重要地位，是军队或抵抗力量的重要基地。

Bastion：意为城堡的城垛或防御工事，这个词来源于法语，意为“支柱”。Bastion通常指城堡或建筑物上的突出部分，用于增强防御能力。

Fortified：意为被加固的或防御的，这个词来源于拉丁语fortis，与fortress一词的词源相同。Fortified通常指一个地方经过加固或防御措施，具有强大的防御能力。

Fence：意为围栏、篱笆等障碍物，这个词在英语中可以表示物理上的障碍物，也可以表示心理上的界限或防线。Fence在军事上可以指防御工事，也可以指个人或团体之间的界限。

以上这些单词都与fastness这个词源有关，它们都表示防御、保护和加强的意思。这些单词在英语中广泛应用，不仅在军事领域，也在建筑、历史和文化等领域中。

常用短语：

1. fasten oneself

2. fasten up

3. fastnesses

4. be fast

5. fasten down

6. fasten tightly

7. fasten securely

例句：

1. I fastened my seat belt to ensure my safety during the journey.

2. The fortress was built to withstand any attack, and it remains a symbol of fastness today.

3. The city is a stronghold of resistance, and its people are determined to defend their fastness.

4. The ship was fastened down to prevent it from being washed away by the waves.

5. The rope was fastened securely around the package to ensure it wouldn"t fall off.

6. The stronghold was a place of safety for those fleeing persecution.

7. The city"s walls are a testament to its past as a stronghold of power and wealth.

英文小作文：

My favorite place is the fortress where I grew up. It was a place of safety and security for me when I was young, and it still holds a special place in my heart. The fortress was surrounded by high walls and towers, and it was always a source of pride for me to see it standing strong against the elements. Today, it is a symbol of my childhood memories and a reminder of the strength and resilience of nature. I often think about how the fortress could withstand any attack, and I am reminded of the importance of being resilient in the face of challenges in life.