A:Danny is not nine years old. He is eleven.
B:—When is your birthday?—My birthday is September 12.
读诗文《暮江吟》,翻译诗句
一道残阳渐沉江中,半江碧绿半江艳红。
如图所示,是我们常见的图象,这种图象如果在横纵坐标加上适当的物理量及单位,不可以用来描述的是( )