rocketry

名词 n.
中文释义

英文释义

名词 n.
  1. The making and launching of rockets, its science and practice. uncountable,usually
    — Sustained research in rocketry had at last succeeded in attaining one of its objectives. It had sent up a missile which stayed up. It was, in fact, possible to fire a rocket far enough up for it to fall into an orbit.

词形变化

rocketries plural

词源

Etymology tree
English rocket
English -ry
English rocketry
From rocket + -ry.
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