叶扇
Leaf fan
以上为机器翻译结果，长、整句建议使用 人工翻译 。
棕榈叶扇既便宜又容易制作。
Palm leaf fans were cheap and easy to make.
youdao
普通使用的型式是测量风速的叶扇或风杯及测量风向的风标。
Among commonly used types are those employing either a propeller or cups for measuring wind speed and a vane for measuring wind direction.
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