And we have a flexible, powered catheter with a special wire loop tip that stays inside the crunchy part of the marrow and follows the contours of the hip, as it moves around.是什么意思_And we have a flexible, powered catheter with a special wire loop tip that stays inside the crunchy part of the marrow and follows the contours of the hip, as it moves around.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句