英语语法分析

Newspapers are often called barometers of public opinion.

报纸通常被称为舆论的晴雨表。

Fixed cistern barometers are used as a standard for checking aneroid barometers.

固定槽式气压计可以作为标准件去检验无液气压计。

Service centers, which process steel for end users, are good barometers for steel demand.

钢铁服务中心为终端用户加工钢材，它们可说是反映钢材需求的一个有效的晴雨表。