rocketry

n. 火箭研究

词形变化

rocketries 复数 rocketries

释义与例句

n.
  1. 1.

    The making and launching of rockets, its science and practice.

    不可数

词汇关系

名词

上位词 3

technology engineering applied science

词源

From rocket + -ry.

来源：wiktionary