他决定再试验一次。
研究者注意到再试验中的有些患者有轻到中度的肾功能。
The researchers noted temporary mild to moderate reduction in kidney function in some patients in the study.
第一次试验后材料表现不错，直至反复试验之后，材料的硬度和轻度都有所下降，但是小组人员说，再试验下去材料的变化也不会太大了。
The first time the stress test was carried out and repeated the material became less stiff and strong, but the team says that further compressions made very little difference.
如果一种试验没有成功，扔掉它，再试试别的吧。
If one experiment doesn’t work you throw it away and try something else.
预防药物中毒的安全措施包括先在动物身上做试验，再试用于志愿者，最后才用于病人。
Safeguards to prevent drug poisoning include testing in animals then human volunteers and then patients.
预防药物中毒的安全措施包括先在动物身上做试验，再试用于志愿者，最后才用于病人。
Safeguards to prevent drug poisoning include testing in animals, then human volunteers, and then patients.
为什么不再试着做一做那个试验呢？
为什么不再试着做一做那个试验呢？
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