Serving to guard or protect.

用以防御的；有保护功用的。

Carried on for protection.

以保卫为目的的。

In a condition of making defense.

采取防御状态的。

Of, relating to, or being industries (as foods, utilities, and insurance) which provide essential needs to the ultimate consumer.

保护性的(指食物、水电、保险等提供用户基本需求的工业)。

The act, state, or means of defending.

守势；防御。