Фото: Константин Чалабов / РИА Новости
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「我常常想要逃跑,但沒地方可以跑。」他向BBC中文形容自己的債務困境。
An ice-core record of hydrogen reveals that atmospheric levels vary in response to climate change and have increased drastically owing to human activity since the pre-industrial era. The apparent sensitivity of hydrogen cycling to environmental conditions should be considered when projecting the consequences of rising anthropogenic hydrogen emissions in a warming climate.