在这些条目还发现'rocketry':
在英文解释里:
rocketryUK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈrɒkɪtrɪ/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈrɑkɪtri/ ,USA pronunciation: respelling(rok′i trē)
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