sleeper ship

Noun

(science fiction) A spaceship, all or some of whose passengers are in suspended animation.

Japanese Meaning

サイエンスフィクションにおける、乗客の一部または全員が休眠状態にある宇宙船

The sleeper ship drifted through the nebula, its cryochambers humming softly as the frozen passengers dreamed in suspended animation.

睡眠状態の乗客を乗せた宇宙船は星雲の中を漂い、クライオチャンバーが静かに作動する中で凍った乗客たちが夢を見ていた。

Sense（1）

(science fiction) A spaceship, all or some of whose passengers are in suspended animation.

sleeper ships

（ plural ）