6yo用英文怎么说

"6yo" 是指 6 岁的儿童。在英语中，可以用年龄数字来表示儿童的年龄，比如说：

She is a six-year-old girl. (她是个 6 岁的女孩。)

在英语中，可以用 "-year-old" 来表示年龄，比如：

He is a seven-year-old boy. (他是个 7 岁的男孩。)
She is an eight-year-old girl. (她是个 8 岁的女孩。)

例句：

My son is 6yo. (我儿子是 6 岁。)
She is a smart and well-behaved 6yo. (她是个聪明而且行为良好的 6 岁小女孩。)
The 6yo boy loves to play with his toys. (这个 6 岁的男孩喜欢玩他的玩具。)