disappeared ; extinct ; vanished ; pathless
绝望的痕迹 Sign of desperation
草药医术在西方世界几乎已成了一项绝迹的技术。
Herbalism had become an all but extinct skill in the Western world.
《柯林斯英汉双解大词典》
男低音也许是在多年的劳累和默默无闻的劳动之后，才在那里绝迹的。
Bass may have perished there after years of wearisome and unknown labour.
youdao
如今，绝迹的是捕鲸站；早已一去不复返的是捕海豹者。
It is the whaling stations that are now extinct.
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