▍原文 Beijing will not allow the export of rare earth materials for use by foreign militaries, China's Ministry of Commerce announced on Oct. 9. Rare earth magnets are crucial components in U.S. weapons systems such as the F-35 warplane, Predator drones, and radar, according to the Department of Defense. China dominates the global supply chain for rare earths. It controls 60% of mining and more than 90% of refining worldwide. The U.S. is dependent on China for around 70% of its rare earth imports. ▍語言點 rare earth 稀土 rare earth magnet 稀土磁鐵 crucial /'kru:ʃəl/ adj. 至關重要的 · crucial component 關鍵組件 F-35 warplane 美國最先進的第五代隱形戰鬥機 Predator drone “捕食者”無人機 dominate /'dɒmɪneɪt/ v. 主宰，支配 · dominate the global supply chain 主導全球供應鏈 mining /'maɪnɪŋ/ n. 開采 refining /rɪ'faɪnɪŋ/ v. 提純，精煉（refine 的現在分詞） be dependent on... for... 在某方面依賴某人 搜索【友鄰優課】微信小程序，收聽晨讀即可領取：《晨讀短文100篇電子資...