rocketry
noun /ˈrɒkɪtri/
/ˈrɑːkɪtri/
[uncountable]- the area of science which deals with rockets and with sending rockets into space; the use of rockets
火箭学；火箭技术
| 词汇 | rocketry |
| 释义 | rocketrynoun /ˈrɒkɪtri/ /ˈrɑːkɪtri/ [uncountable]
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