名词
中文翻译：Unknown
同义词：
['inflate', 'expand', 'deform', 'fold']
例句：
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2.
在地质学中
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3.
在天文学中
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1. The balloon was inflated with helium and then released into the sky.
气球用氦气充气后被释放到天空。
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2. The earth is expanding due to the constant outward force of gravity.
地球因重力的持续向外作用而不断扩张。
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3. The planetary system is undergoing a period of rapid expansion as it approaches its next major conjunction.
行星系统正经历一个快速扩张期，随着它接近下一个主要会合点。