四月的词性是名词，在四月的短语应该是in April.例如，we will have a big party in April at school.四月份，我们要在学校举办一个大型的聚会。on April 4th is my young brother's birthday and he hopes to get a gift.四月四日是我弟弟的生日，他希望得到一份礼物。