基本解释袖珍式手电(筒)同根派生 英汉例句pocketlight with cobalt blue filter 带钴蓝滤光片的袖珍手电(筒)professional pocketlight 医师用袖珍式手电(筒)ocular pocketlight 眼科袖珍手电(筒)slit pocketlight 裂隙光袖珍式手电(筒)focusing pocketlight 聚焦式袖珍手电(筒)