孩子们在公园玩耍时充满了欢乐。
The children were joyful while playing in the park.
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joyful英 /ˈdʒɔɪfʊl/|美 /ˈdʒɔɪfʊl/
解释
joyful 是形容词，由名词 joy（欢乐）加上后缀 -ful（充满...的）构成，意思是"充满欢乐的、快乐的"。
The children were joyful while playing in the park.
joyful 是形容词，由名词 joy（欢乐）加上后缀 -ful（充满...的）构成，意思是"充满欢乐的、快乐的"。