“派生物”的英语

《洁净水法案》1977年的修正案,是这些问题的派生物.The 1977 amendments to the Clean Water Act were an outgrowth of these problems.最初的源头生成了几个派生物.There were a few derivatives obtained from the original source.为什么白金雀儿碱的派生物是苦的?WHY ARE THE LUPANINE ...