lawn aerator（草坪打孔机）是什么意思？音标发音+图解场景

草坪打孔机 /ˈlaθ/ n

English: lawn aerator · 草坪打孔机

释义：Roller fitted with points for puncturing the lawn in order to aerate it and facilitate the entry of substances such as water and fertilizers.

这个词出现在以下图解场景（1）