diastereoisomeric什么意思解释？

diastereoisomeric的音标：diastereoisomeric的英式发音音标为：[dɪəsteri:əʊaɪ'səʊmerɪk]diastereoisomeric的美式发音音标为：[dɪrsterioʊaɪ'soʊmerɪk]...