spontaneously
US /spɑːnˈteɪ.ni.əs.li/
UK /spɑːnˈteɪ.ni.əs.li/

副词
1.
自发地, 自然地
as a result of a sudden inner impulse; without premeditation
示例:
•
The crowd began to cheer spontaneously.
人群开始自发地欢呼。
•
She spontaneously decided to take a trip to the mountains.
她一时兴起决定去山区旅行。
2.
自发地, 自然地
without apparent external cause or stimulus
示例:
•
The chemical reaction occurred spontaneously.
化学反应自发地发生了。
•
The plant grew spontaneously in the wild.
这种植物在野外自然地生长。
在 Lingoland 学习这个单词
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