下列除哪项外均为茜草的功能
A.利尿
B.凉血
C.通经
D.化淤
E.止血
参考答案:A
What's this? [ ]
A. This is a chair
B. That is a chair
C. I am a chair
D. It's a chair
水产动物营养研究的工作重点应在哪些方面?