Unstable structure, texture serious osteoporosis, the loss of poisonous residue combustion gas, a large amount of formaldehyde gas.是什么意思_Unstable structure, texture serious osteoporosis, the loss of poisonous residue combustion gas, a large amount of formaldehyde gas.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句