他们致力于使这些房屋成为首都第一所被无源之家协会认证的房屋。该协会是伊利诺伊州的一个私立组织，有着最为严格的美国能效标准。

It aims to be the first home in the nation's capital to earn certification from the Passive House Institute, a private Illinois-based group that has the toughest U.S. standards for energy efficiency.

youdao

他们致力于使这些房屋成为首都第一所被无源之家协会认证的房屋。该协会是伊利诺伊州的一个私立组织，有着最为严格的美国能效标准。

It aims to be the first home in the nation's capital to earn certification from the Passive House Institute, a private Illinois-based group that has the toughest U.S. standards for energy efficiency.

youdao