分析英语句子成分

题目

分析英语句子成分
Biotechnology can only add specific and limited traits；therefore,plant breeding must be coupled with transgenic improvement to bring economically viable products to the marketplace.

答案

我猜你应该就是不清楚分号后那个句子的结构吧.,plant breeding是主语,must be coupled with 是谓语,transgenic improvement 是宾语.to bring economically viable products to the marketplace.是不定式做定语修饰 i...