“树阴”原写作“树荫”。１９８５年１２月重新公布的《普通话异读词审音表》（下文简称《审音表》）规定：“林荫、树荫”写作“林阴、树阴”。《新华字典》１９９８年修订本中的“阴”有一义项为“光线被东西遮住所形成的影：树～儿。”但也许人们已习惯将“树阴”写成“树? “Tree Yin” originally wrote “Shade”. In December 1985, the re-released “Speaking Tables for Putonghua Foreign Words” (hereinafter referred to as the “Audio Audition Table”) stipulated: “Linyin, Shade,” writing “Linyin, Shuyin.” The “Yin” in the 1998 edition of the “Xinhua Dictionary” has a one-item term: “Shadows formed by light being shielded by things: trees ~ children.” But perhaps people have become accustomed to writing “tree yin” as "tree?