详细解释:n. (树的)干围, 周长, 肚带
vt. 围绕, 包围
vi. 围长为
【机】 周围
词型变化：
动词过去式:girthed过去分词:girthed现在分词:girthing第三人称单数:girths英语解释：
名词 girth:
the distance around a person's bodystable gear consisting of a band around a horse's belly that holds the saddle in place同义词：cinch