早教吧 育儿知识 作业答案 考试题库 百科 知识分享

when后还能用that?Theyyeast'scellularmachinerytranslategenesintoproteinsandwhenthatgeneistheonefromthepathogen,theproteinproductistheantigen.请问,为什么中间用了when后面还可以跟着that,才再加上一句话呢?

题目详情
when后还能用that?
They yeast's cellular machinery translate genes into proteins and when that gene is the one from the pathogen,the protein product is the antigen.
请问,为什么中间用了when 后面还可以跟着that,才再加上一句话呢?单一用when,而去掉that行不行?
▼优质解答
答案和解析
此处when引导后面的句子,而that在此是“那,那个”的意思,不引导从句.