| 单词 | produced naturally |
| 释义 | produced naturally As it can be produced naturally by the body, its detection depends on the level of metabolites found in a sample. Times,Sunday Times It's also a non-steroidal substance that can be produced naturally in the body. Houston Chronicle Steroids produced naturally in the body have a heavier carbon content than synthetic substances but, until now, it has been difficult to measure the different carbon ratios. Times, Sunday Times Antibodies are produced naturally by the body and play a key role in fighting infections caused by bacteria and viruses. Retrieved from Wikipedia CC BY-SA 3.0 Additives used in cryobiology or produced naturally by organisms living in polar regions are called cryoprotectants. Retrieved from Wikipedia CC BY-SA 3.0 |
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