Water is considered a major necessity for life.

水被认为是生命的重要必需品。

Water is considered a major necessity for life. Scientists want to study whether Ceres was ever home to microbial life.

水被认为是生命的重要必需品。科学家们想研究谷神星是否曾经有过微生物生命。

The Roman orator, Cicero, once wrote that bathing is one of the necessities for life and health.

罗马演说家西塞罗曾写道，沐浴是生命和健康的必需品之一。

Epicurus observed as well that the basic necessities for life are easy to come by, and that living moderately is the key to happiness.

伊壁鸠鲁也观察到，生活的基本必需品很容易获得，适度生活是幸福的关键。