1. 词义：blastoff表示火箭升空的瞬间，即火箭发射时从地面升空。

2. 词性：blastoff是一个名词。

3. 词组搭配：blastoff常用与其他词汇组成词组，如： countdown to blastoff（倒数到发射时间）； witness the blastoff（观看发射）。

4. 短语：无

5. 发音拼写：[blstf]

以下是5个中英例句：

1. The countdown to the blastoff of the spaceship began at T minus 10 minutes. （宇宙飞船发射前的倒计时开始了，距离发射还有10分钟。）

2. The blastoff of the rocket was an awe-inspiring sight. （火箭的发射是一个令人肃然起敬的景象。）

3. The astronauts on the space station watched the blastoff of their resupply rocket. （太空站上的宇航员观看他们的补给火箭的发射。）

4. The blastoff was delayed due to bad weather conditions. （发射由于天气条件不佳而延迟了。）

5. The sound of the blastoff was heard for miles around. （发射的声音在几英里外都可以听到。）

blastoff的中文翻译为“发射”（名词或动词）。其读音为 /blstf/。

例句：

1. The rocket launched and began its blastoff to the moon.（火箭发射并开始了飞往月球的发射过程。）

2. The countdown for the blastoff has begun.（发射倒计时已经开始了。）

3. The astronaut felt both excitement and fear during the blastoff.（宇航员在发射过程中既兴奋又害怕。）

blastoff在英语中代表"升空"的意思，其次还有"发射"的意思，读音为['bl:st,f]，blastoff来源于英语，在《英语汉语大辞典》中，共找到26个与blastoff相关的例句。

Blastoff的中文翻译

1.升空

例句:During blastoff of the stratospheric airship by buoyancy, stable attitude control is needed. (平流层飞艇在靠浮力升空的过程中，需要对其进行姿态稳定控制。)

2.发射

例句:The blastoff was also broadcasted live on state-owned television and through the Internet. (这次发射也在国有电视及互联网上进行了现场直播。)

例句

1. Ms. Giffords watched the blastoff in private, seated in a wheelchair and joined by the families of other crew members. (翻译:吉弗兹是私下观看此次航天飞机发射的，她坐在轮椅上，与奋进号上其他宇航员的家人一同观看了发射。)

2. When the rocket ripped from the tower during blastoff, a piece of debris must have fallen into the communication array. (翻译:火箭升空撞到尖塔后 {\fn方正黑体简体\fs18\b1\bord1\shad1\3cH2F2F2F}故障 肯定有碎片调到通信阵列中)

3. The original planned launch was called off four minutes before blastoff. (翻译:原计划的发射在起飞前四分钟被取消。)

4. The blastoff was also broadcasted live on state-owned television and through the Internet. (翻译:这次发射也在国有电视及互联网上进行了现场直播。)