365bet中国官方网站

  • word of the day

    step rocket

    step rocket - 365bet中国官方网站 definition and meaning for word step rocket

    Definition
    (noun) a rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhausted
    Synonyms : multistage rocket

  • Word used in video below:
    text: Let's just take it step by step.
    Download our Mobile App Today