blast-off的音標為[?blɑ?st ?f]，基本翻譯為“發射；起飛”，速記技巧為：blast off意為“發射，起飛”。

Blast-off這個詞的詞源可以追溯到英語中的“blast”和“off”。其中，“blast”意為爆炸或沖擊，而“off”則表示離開或分離。因此，“blast-off”可以理解為“爆炸性的離開”或“火箭發射”。

變化形式：名詞形式為blast-off，形容詞形式為blasty。

相關單詞：

1. blast-wave：沖擊波

2. explosion：爆炸

3. detonation：爆炸

4. blast-furnace：煉鋼爐

5. blast-free：無沖擊的

6. blast-off pad：發射臺

7. blast-off time：發射時間

8. blasting：爆破

9. blasting powder：炸藥

10. blasting cap：雷管

這些單詞都與“blast-off”這個詞源有直接或間接的聯系，反映了人類在科技和工程領域的進步和發展。同時，這些單詞也體現了英語詞匯的多樣性和變化性，為人們提供了豐富的表達方式。

常用短語：

1. blast-off 發射

2. hit the ground running 立即開始工作

3. hit the ceiling 發脾氣

4. hit the books 學習

5. hit the sack 睡覺

6. hit the jackpot 中大獎

7. hit the road 出發

雙語例句：

1. The rocket blast-off at the space center was a thrilling sight. (英語）

2. After a long day"s work, she hit the books to prepare for tomorrow"s exam. (中文)

3. He hit the ground running when he took over the company. (中文)

4. She hit the sack after midnight to catch up on her sleep. (中文)

5. He hit the jackpot when he won the lottery. (中文)

6. They hit the road after breakfast to reach their destination on time. (中文)

英文小作文：

The excitement of blast-off and the thrill of space exploration are what many people dream of experiencing. However, it is not only the launch itself that is exciting, but also the journey that follows. Once in space, astronauts have to adapt to a new environment and learn new skills to survive and work effectively. This requires a lot of dedication and hard work, but the rewards are immense. The view from space is breathtaking and provides a unique perspective on our planet. It is a humbling experience to see how small and fragile our world really is. The exploration of space not only expands our knowledge of the universe, but also encourages us to explore our own potential and push boundaries. It reminds us that there is always more to learn and discover in this vast universe, and that we should never stop exploring and pushing forward.