The property that has already been sealed up or frozen shall not be sealed up or frozen for a second time.

财产已被查封、冻结的，不得重复查封、冻结。

youdao

If you need to set the sealed modifier on the method, select (enable) the Leaf property of the operation.

如果您需要在方法上设置sealed修饰符，那么选择(启用)方法的leaf属性。

youdao

A sealed indexer is represented by selecting the Leaf property of the corresponding UML operation.

通过选择相应的UML操作的leaf属性来表示sealed索引器。

youdao

The gate was padlocked, with a warning posted that the property had been sealed by the federal prosecutor.

NEWYORKER: The Kingpins