同根派生 beta rays相關詞英漢例句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(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(fā)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。beta rays更多例句