名词
中文翻译：试验发射
同义词：
['test launch', 'test flight例句：1. The rocket was launched for the first time in history.（火箭历史上首次发射。）2. The test launch of the new spacecraft was a success.（新型航天器的试验发射成功。）3. They conducted several test launches before deciding to go ahead with the full-scale production.（在决定全面生产之前，他们进行了几次试验发射。）']
例句：
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1. The rocket was launched for the first time in history.
火箭历史上首次发射。
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2. The test launch of the new spacecraft was a success.
新型航天器的试验发射成功。
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3. They conducted several test launches before deciding to go ahead with the full-scale production.
在决定全面生产之前，他们进行了几次试验发射。