asteroidal
美 [?æst?'r??d?l]
英 [?æst?'r??d?l] 
英漢解釋
例句
The researchers concluded that the heat generated by the joint decay of 26Al and 60Fe could not have caused asteroidal melting.
研究人員認(rèn)為鋁26和鐵60產(chǎn)生的熱加起來(lái),仍無(wú)法使小行星熔化。
The average frequency of Tunguska-like asteroidal collisions ranges from one in 200 years to one in 1, 000 years.
對(duì)于通古斯卡事件這類(lèi)規(guī)模較大但發(fā)生率較低的小行星碰撞事件,他們推測(cè)平均發(fā)生周期為200~1000年。