吕氏英汉字典[简体]:
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rocketry
"rocketry" Chinese translation ("rocketry" in Chinese, "rocketry" 中文翻译, "rocketry"发音):
rocketry
n. 火箭研究 [n. 火箭研究]
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n. 火箭研究 [n. 火箭研究]
