At 18 months old, Aiden now knows how to sign more than 150 words, allowing him to manually communicate what he can't say, Briant said.

在18个月大的时候，亚当学会了150多个手语，这让他能用手来表达他说不出来的话，B说。

youdao

At 18 months old, Aiden now knows how to sign more than 150 words, allowing him to manually communicate what he can't say, Briant said.

在18个月大的时候，亚当学会了150多个手语，这让他能用手来表达他说不出来的话，B说。

youdao