finger spelling造句

1、Through a game so called Finger Spelling they get acquainted.
通过手指语游戏她们了解对方。

2、How to recognize sign language mixed with hand gesture signal and finger spelling signal?
如何识别既包含手指语信号又包含手势语的信号的手语?。

3、Sign language and finger spelling are not uesd as much as they once were.
盲文和手语现在已经不像以前用的那么多了。