test rocket

ریشه

'Rocket' comes from Italian 'rocchetta', a diminutive of 'rocca', meaning 'distaff', due to its cylindrical shape. 'Test' has the same etymology as above.

مثال

• The space agency launched a test rocket to gather data.
• The test rocket failed to reach its intended altitude.
• The test rocket was equipped with various sensors to measure atmospheric conditions.

ترکیب‌های رایج

Successful test rocket Failed test rocket Test rocket launch