探险因不利的天气条件而中止。

The expedition was halted by ___adverse ___weather ___conditions.

污染无疑会对公众健康产生不良影响。

Pollution will certainly have an ___adverse ___effect on public health.

政策的突然变化对投资者信心产生了负面影响。

The sudden policy change had an ___adverse ___impact on investor confidence.