The basal life history forms were V, C and S forms, between them there are four major gradational life history forms, i.e.VC, VS, CS and VCS forms.是什么意思_The basal life history forms were V, C and S forms, between them there are four major gradational life history forms, i.e.VC, VS, CS and VCS forms.在線翻譯_英語_讀音_用法_例句