上午AM和下午pm的怎么写要大写的吗?中间要不要加点?a.m还是AM,Am,A.M?
问题描述：
上午AM和下午pm的怎么写
要大写的吗?中间要不要加点?a.m还是AM,Am,A.M?
答
a.m.＝ante meridiem [Latin]上午;午前
p.m.=post meridiem [Latin] 下午；午后
答
a.m.= A.M.
I go to school at 9 a.m.
p.m.= P.M.
We have supper at 6 p.m.
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