“dorsal surface”例句

单词 dorsal surface 例句 DEFINITIVE EXAMPLES 权威例句〔tergum〕The upper or dorsal surface, especially of a body segment of an insect or other arthropod.背板：上部或背部表面，尤指昆虫或其它节肢动物的身体的一部分美国传统〔ventrodorsal〕Both ventral and do...