Как по Английски будет запас жизненных сил

noun

The lowest point or part of something.

Примеры использования:

The bottom of the page

adjective

In the lowest position.

Примеры использования:

The books on the bottom shelf

verb

Denoting a flavour (variety) of unstable quark having an electric charge of - 1/3. bottom quarks have similar properties to down quarks and strange quarks, but are distinguished from them by having a larger mass.

noun

The ability to sustain prolonged physical or mental effort.

Примеры использования:

Their secret is stamina rather than speed