孩子们坐好了，列车启动，下一站是解放广场，我意识到头巾要掉下来，伸手系好，棉纱的衬里掉了出来，风灌到脖子里，或许孩子的妈妈注意到我相对浅色的头发，便问我我来自哪儿，美国，我说。

As the layers of cotton gauze fell away, I felt air on my neck. The mother of the boys, noticing, perhaps, my comparatively light-colored hair, asked me where I was from.

youdao