http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
I. hard hat [美 ˈhɑrd ˌhæt, 英] 名词
在《PONS词典》中的词汇
hardhat 名词
- hardhat
- casco m
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单语范例（未经PONS编辑处理）
The receiving unit in a machine detects specially equipped hardhats and vests worn by workers on the ground.
www.ourhometown.ca Some workers did not like the fact that the module for the monitoring electronics took up a utility slot on the hardhat.
www.iothub.com.au The hardhat count will rise to between 400 and 500 over the summer.
www.pressherald.com It contains everything necessary for defending the park: a hardhat, set of goggles, gas mask, heavy gloves for catching and throwing back gas canisters.
theindependent.ca The off-the-books workers -- who testified they worked without basic safety equipment like hardhats and gloves -- were supposed to earn $5 an hour.
www.nbcnews.com