基本解释adj.持續整個夏天的同根派生 英汉例句He suggested that Indiana bats may use the site as a summer habitat and noted that at least a summerlong study might be appropriate. 甘辳認爲，那裡可能是印第安納鼠耳蝠的夏日棲境，因此研究的時間至少也要一整個夏天才算適宜。