beta rays

同根派生

• beta rays相关词

英汉例句

• Candidates may not retake a beta exam at any time.
  在任何時間都可以重考在線的無監考的考試。
• The corona's rays flash out in a brilliant fan that has wispy spike-like rays near the Sun's north and south poles.
  光環帶的光束像一把流光折扇，在太陽的南北兩極附近形成纖細的輻射線。
• The gun can fire invisible rays.
  這槍能發出看不見的射線。
• Cathode rays are attracted by a positive charge.
  隂極射線被陽電荷所吸引。

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