常见例句It is suggested that in the above region boron atoms may only existin reedmergnerite [BSi_4O_(10)]~(1-) units and pyroborate [B_2O_5]~(4-) units. 認爲硼原子可能僅存在於[BSi_4O_(10)]~-單位及焦硼酸鹽[B_2O_5]~(4-)單位中。 返回 reedmergnerite