mao b造句

例句与造句

1. researchers at the brookhaven national laboratory in upton, new york, reported that something in cigarette smoke lowers the levels of an enzyme known as mao b
   纽约厄普顿的布鲁克黑文国家实验室的研究人员报告说:卷烟烟雾中的某种物质减少了一种酶--也就是人们所知的单胺氧化酶b的含量。
2. It's difficult to find mao b in a sentence. 用mao b造句挺难的