来自李富明的问题
求问一个考研英语的长句.Itmattersthatbecausetheorysuggeststhatmaximumsustainableyieldthatcanbecroppedfromafisherycomesthenthebiomassofatargetspeciesisabout50%ofitsoriginallevels.有两点困扰的,一个是co
求问一个考研英语的长句.
Itmattersthatbecausetheorysuggeststhatmaximumsustainableyieldthatcanbecroppedfromafisherycomesthenthebiomassofatargetspeciesisabout50%ofitsoriginallevels.有两点困扰的,一个是come到底是修饰什么的?如果是yield,那么crop修饰的又是什么?还有就是level为什么要带s?
