The origins of this ancient structure are lost in antiquity.

这古建筑由来已经失了。

Stereographic projection is known since the antiquity and was originally known as the planisphere projection.

立体绘图法原称为星影法。

Cannabis has been used for medicinal purposes since antiquity.

大麻自远古以来就被作为药用。

Acupuncture has been used as medical means since antiquity in China.

针灸在中国自远古以来就被用作医疗手段了。