Pinyin is a system of romanizing Chinese characters, a.k.a. writing Chinese words with the Roman alphabet. For example, the word for hello, 你好, would be written “nǐ hǎo.” Pinyin is much ...

The text is projected onto a transparent screen, measuring 18 centimeters in height and 30 cm in width, which is attached to materials such as an acrylic board. The words are displayed in an easy ...