ballooning
US /bəˈluː.nɪŋ/
UK /bəˈluː.nɪŋ/
名詞
1.
気球
the sport or hobby of flying in a hot-air balloon (= a very large bag that is filled with hot air or gas and can carry people in a basket (= open container) hanging under it):
例:
•
Ballooning caught the public's imagination with some high-profile long-distance events.
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