如何签署信函 'M' 用美国手语。
jiāng mǔ zhǐ sāi rù shǒu zhǎng xià fāng , hóng mō xiǎo zhǐ gēn bù , qí tā sān gēn shǒu zhǐ bì hé 。 (将拇指塞入手掌下方,触摸小指根部,其他三根手指闭合。)
jiāng mǔ zhǐ sāi rù shǒu zhǎng xià fāng , hóng mō xiǎo zhǐ gēn bù , qí tā sān gēn shǒu zhǐ bì hé 。 (将拇指塞入手掌下方,触摸小指根部,其他三根手指闭合。)