英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Thiophene的结果
Thiophene
(n.)
A sulphur hydrocarbon, C4H4S, analogous to furfuran and
benzene, and acting as the base of a large number of substances which
closely resemble the corresponding aromatic derivatives.