您可以将对象用作变量:

You can use object as variable:

<div *ngIf="{ language: language$ | async, user: user$ | async } as userLanguage">
    <b>{{userLanguage.language}}</b> and <b>{{userLanguage.user}}</b>
</div>

柱塞示例

Plunker Example

另请参见

• 如何声明变量在Angular2的模板中