標題：China has a weapon that could hurt America: rare-earth exports

副標題：It has only just begun to use it

正文：To win a game of Scrabble, start at the bottom of the periodic table. The 17 “rare earths” that reside there have longish names, such as dysprosium and praseodymium, which are replete with point-worthy letters. They share other traits, too. All are produced and used in minuscule amounts, yet are crucial to a range of high-tech goods, from batteries and renewables to weapons and medical devices. More important still, all are largely supplied to the world by China.

知識點：scrabble v.

to make rapid, irregular movements with the hands or feet in searching, digging, or climbing.在搜尋、挖掘或攀爬時用手或腳快速、不規則地移動；（用手或腳）亂扒，亂抓，掙扎著移動

He scrabbled about in his pocket for the key.他在口袋里亂摸找鑰匙。

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