We have, therefore , in both of the examples above, heterocyclic compounds with " built - in " or latent functionality.上述两例中的杂环化合物,都具有 “ 固有的 ” 或潜在的官能基.Morphine: Heterocyclic compound, narcotic analgesic alkaloid original...
She had placed a great deal of faith in Mr Penleigh.她对彭利先生极其信任。This involved the deletion of a great deal of irrelevant material.这包括删除很大一部分不相关的内容。Stationary cars in traffic jams cause a great deal of pollution.交通堵塞中静止不动的...
Tchaikovsky was given a state funeral—the first commoner to be granted this honour...柴可夫斯基得到了国葬待遇——他是首位获此殊荣的平民。...Tchaikovsky's First Piano Concerto.柴可夫斯基的《第一钢琴协奏曲》Tchaikovsky cultivated all branches of music.柴科夫斯基涉...
去滑冰；去溜冰to go ice skating天气极冷，我们能到湖上去滑冰了。It was so cold that we were able to go skating on the lake.他滑冰时重重地摔了一跤,但他一笑置之.He had a bad fall while ice - skating but he laughed it off....