儿童掌握数字词汇的概念需要付出很大的努力。
It takes great efforts for children to grasp the concept of number words.
许多国家的儿童溺水统计数字尤其说明。
Child drowning statistics from a number of countries are particularly revealing.
我看到儿童死亡的统计数字。
如今，圣诞老人是一个虚构的数字，但几乎所有的儿童相信他。
Today, Father Christmas is an imaginary figure , but nearly all young children believe in him.
如今，圣诞老人是一个虚构的数字，但几乎所有的儿童相信他。
Today, Father Christmas is an imaginary figure , but nearly all young children believe in him.
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