| 单词 | healthy volunteer |
| 释义 | healthy volunteer Southampton Hospital researchers now want 300 healthy volunteers aged 18 to 45 to test the new jab. The Sun (2009) If tests on 60 healthy volunteers succeed, the vaccine will be shipped to victims in West Africa. The Sun (2014) Researchers plan to compare brain cells grown from Parkinson's patients with those from healthy volunteers. The Sun (2011) |
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