weathervane是什么意思   weathervane怎么读

weathervane单词基本解析：

a. 政治风方向标的（指表明当前投票倾向的一种可靠依据, 由此可预测选举结果）

n. mechanical device attached to an elevated structure; rotates freely to show the direction of the wind

weathervane变化用词：

名词复数形式:weathervanes

weathervane中文词源：

weathervane相关组词：

weathervane用法和例句：

As critics have alleged, Mr Romney is something of a political weathervane.

正如评论员们所说, 罗姆尼堪称一个政治风向标。

The helicopter suddenly weathervaned into the wind, and your brother was not strapped in yet.

直升机突然卷到了风里 你哥哥还没扣好安全带