half-chair conformation
化 半椅型构象… Read the rest
化 半椅型构象… Read the rest
医 梅卡耳氏突彩… Read the rest
经 五成折旧法… Read the rest
医 间接接触… Read the rest
医 过滤灭菌法, … Read the rest
化 锑(指有机五价锑化合物)… Read the rest
医 单突磨牙, … Read the rest
*[di’spɒndәnt]
a. … Read the rest
计 精密机械… Read the rest