beta rays
英漢例句
- Candidates may not retake a beta exam at any time.
在任何時(shí)間都可以重考在線的無(wú)監(jiān)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(huán)帶的光束像一把流光折扇，在太陽(yáng)的南北兩極附近形成纖細(xì)的輻射線。 - The gun can fire invisible rays.
這槍能發(fā)出看不見(jiàn)的射線。 - Cathode rays are attracted by a positive charge.
陰極射線被陽(yáng)電荷所吸引。