汉语翻译：
a. 危险的, 濒临毁灭的词型变化：
名词:perilousness副词:perilously英语解释：
形容词 perilous:
fraught with danger同义词：parlous, precarious, touch-and-go
例句：It is true during their explorations they often faced difficulties and dangers of the most perilous nature.确实在探险中，他们经常面临着各种最有危险性的艰难和险阻。
Their perilous journey across the ocean has attracted public attention.他们的越洋冒险旅行引起了公众的注意。
详细解释：
