birth是否可数

birth [bə:θ]

n. 出身,血统,出生,诞生,出现,起源
例句与用法:
He is a man of noble birth.
他出身贵族。
The baby weighed seven pounds at birth.
那婴儿出生时重七磅。
He is French by birth.
他的父母是法国人。
Last year there were many more births than deaths.
去年的出生人数大于死亡人数。
She gave birth to a fine healthy baby.
她生了一个健康漂亮的婴儿。
词形变化:
动词过去式:birthed 过去分词:birthed 现在分词:birthing 第三人称单数:births
英英解释:
名词 birth:
the time when something begins (especially life)
the event of being born
同义词：nativity, nascency, nascence
the process of giving birth
同义词：parturition, giving birth, birthing
the kinship relation of an offspring to the parents
同义词：parentage
动词 birth:
cause to be born
同义词：give birth, deliver, bear, have

看解释 C是可数 U是不可数

n. 出生,诞生;分娩[C][U]
The exact date of his birth is not known.
他出生的确切日期无人知道。

血统,家世,出身[U]
He is a man of German