sign language 和 finger spelling哪一个是手语?还是都可以?网上俩个都翻译过手语,但是我觉得俩个应该不是完全一样,求权威解释.

sign language Sign Language 歌词 什么是through sign language?急! 英语翻译Sign language is the universal language par excellence body language,sign language,gesture 都有什么区别? people can understand each other using sign language ,using sign language 做什么成分 请帮忙翻译：He is an expert in sign language. sign in 和 sign up 的区别 on-sign 和 off-sign是什么意思 fing their sign和 signal区别. sign language 和 finger spelling哪一个是手语?还是都可以?网上俩个都翻译过手语,但是我觉得俩个应该不是完全一样,求权威解释. sign sign sign sign sign 英语“fing”意思在英语高级口语中 english is a crazy language中看到“ if writers write,how come fingers don't fing?if the plural of tooth is teeth,shouldn't the plural of phone be phone beeth”中那个“fing”是啥意思