Try and keep it in a time capsule.

试着把它放在时间胶囊里。

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Twenty-five years ago they filled a time capsule and buried it.

25年前，他们装满一个时光宝盒并把它埋了起来。

《柯林斯英汉双解大词典》

The dedication capsule is much like a time capsule, but there are no plans to open it.

CNN: Pentagon capsule sealed with final stone

Running through the yellowing subsidiary wire stories on papal deaths of yesteryear was like opening a time capsule.

CNN: Pope's resignation a new angle to a tough news beat

The design of a time capsule to be buried beneath Preston's Flag Market has been unveiled by the city's mayor.

BBC: Preston Guild time capsule design unveiled