单词	electron probe
释义	electron probe noun : a microprobe that uses an electron beam to induce X-ray emissions in a sample Word History First Known Use 1943, in the meaning defined above
随便看	speechmaking speechmakings speechreading speechway speechwriter speechwriters speed speed (up) speed box speed bump speed change area speed change lane speed cone speed control speed counter speed dating speed demon speed dial speed freak speed freaks speed gage speed gear speed indicator speed limit speed merchant

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