X-rays are highly penetrating, ionizing radiation, therefore set up company in china are used to take pictures of dense tissues such as bones and teeth.是什么意思_X-rays are highly penetrating, ionizing radiation, therefore set up company in china are used to take pictures of dense tissues such as bones and teeth.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句