科学家们正在研究人类活动对地球生态系统的长期影响。

Scientists are studying the long-term ___anthropic effects on Earth's ecosystems.

人类学原理暗示宇宙的参数必须恰好适合智慧生命的存在。

The ___anthropic principle suggests that the universe's parameters must be precisely right for intelligent life to exist.