| 单词 | Pu |
| 释义 | Pu (once / 7225 pages) n WORD FAMILY Pu USAGE EXAMPLESXie Pu, a technology columnist, plans to buy up to $3,000 worth of winter clothes, socks, laundry detergent, furniture and toilet paper. Los Angeles Times(Nov 10, 2016) “It would be really interesting to look at that,” said Wenjing Pu, a senior transportation engineer for COG. Washington Post(Aug 30, 2016) This can mean simply expressing sympathy for Tibetans on social media—for which Pu Zhiqiang, a Chinese lawyer, was locked up for 19 months. Economist(Jun 02, 2016) n a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239 Syn|Hypo|Hyper atomic number 94, plutonium plutonium 239 a highly fissionable isotope of plutonium that is used in atomic weapons and as a reactor fuel; produced by irradiating uranium 238 with slow electrons weapon-grade plutonium, weapons plutoniumplutonium 239 that is recovered when nuclear weapons are disassembled; it is stored in plutonium pits chemical element, element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
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