扶桑和东瀛指的是哪个亚洲国家？
参考答案：
日本
—I'm always afraid of speaking in public.
—_______. You can do it well. [ ]
A. Not afraid.
B. Take it easy.
C. You are silly.
D. Good luck.
根据复肥中养分的比例计算，计算原则
