| 单词 | biosafety level 4 |
| 释义 | biosafety level 4 (extremely rare) n WORD FAMILY biosafety level 4 USAGE EXAMPLESNow he had to decide whether to allow her to go into Biosafety Level 4. Richard Preston, The Hot Zone(1994) That work’s being done in the most secure, biosafety level 4 labs. MSNBC(Oct 15, 2015) It will include a biosafety level 4 lab, meaning one designed to handle deadly and exotic pathogens for which no vaccines or treatments exist. Slate(Jun 16, 2015) n exposure to exotic infectious agents that pose a high risk of life-threatening disease and can be transmitted as an aerosol and for which there is no vaccine or therapy Hyper biosafety level the level of safety from exposure to infectious agents; depends on work practices and safety equipment and facilities |
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