ortho
adj. (黑白胶片)正色性的
n. (Ortho)(美)阿尔特(人名)
例句
Chlorine is introduced into the ortho-position of aniline.
氯被引入苯胺的邻位。
Its isomerization is aimed at increasing the yields of para - and ortho - xylenes.
其异构化的目的是提高对二甲苯和邻二甲苯的收率。
One of the chemicals closely related to BNA made at that plant was ortho-toluidine.
其中的化学物质密切相关的国籍法令在该植物是邻-甲苯胺。