The expressional sites in young stalk are in phloem.

　　幼莖表達(dá)分布在韌皮部；

　　Smile" is one of the expressional tongues of body language."

　　“笑”是人體語(yǔ)言（態(tài)勢(shì)語(yǔ)）中的表情語(yǔ)之一。

　　People have discussed a lot about color, color words and their expressional functions.

　　人們對(duì)色彩、色彩詞以及它們的表情功能有過(guò)不少論述。