These strange-looking wild pigs are dark with long yellow tusks coming out of their mouth.

VOA: special.2009.08.19

He is Lear, Romeo, Oedipus, Tiresias; he has stepped out of a play and even the woman he loves is Rosalind, Cleopatra, never The Dark Lady.

他是李尔王，罗密欧，俄狄甫斯，忒瑞西阿斯;,他从戏剧中走出，他爱的女人是,罗莎琳德，埃及艳后，而不会是黑影夫人。

耶鲁公开课 - 现代诗歌课程节选

I'm usually out early in the morning when it's still dark now because of the changing in the season.

我通常早上很早就出门，因为季节变换，那时天还是黑的。

中央公园的时光 - SpeakingMax英语口语达人

The challenge is to pick out oil from other dark spots, such as shadows made by clouds or patches of seaweed.

VOA: standard.2010.07.05