beta rays
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。