pentacyclic
美 [pentə'saɪklɪk]
英 [pentə'saɪklɪk] 
英汉解释
例句
Japan selected 75 # high-carbon stainless steel, high hardness pentacyclic spring as a strong core.
选定日本75#高碳精钢,五环高硬度的弹簧作为坚强核心。
Advances in studies on pharmacological activities of pentacyclic triterpenoid saponins
五环三萜皂苷的药理作用研究进展
Structure-activity relationship of pentacyclic triterpenes
五环三萜类化合物的构效关系
Study on anti-invasive effect and apoptosis induction of pentacyclic triterpenoid in human lung cancer cells
五环三萜类化合物抗人肺癌细胞侵袭和诱导细胞凋亡的研究
The Seoul Olympics in 1988 as a thermal bath of the Phoenix, pentacyclic finally flying in the skies of Asia;
1988年的汉城奥运会犹如一只浴火的凤凰,令五环终于飘扬在亚洲的天空;