electron contributing group
化 给电子基团; … Read the rest
化 给电子基团; … Read the rest
化 靛蓝的瓮化; … Read the rest
医 盐酸勒吉廷… Read the rest
*[‘tindә]
n. … Read the rest
医 连续体恢复… Read the rest
化 胍丁胺; … Read the rest
*[‘retinә]
n. … Read the rest
化 甘油三乙酸酯; … Read the rest