生物工程师把装有电子显示的隐形眼镜戴在了兔子眼睛上，作为证明这种隐形眼镜可以被人类安全使用的第一步。
Bioengineers have placed the first contact lenses containing electronic displays into the eyes of rabbits as a first step on the way to proving they are safe for humans.
虽然目前关于在妊娠初期3个月内使用流感疫苗的资料还很少，但有其他灭活疫苗(如破伤风疫苗)已被证明在此期间可以安全使用。
Despite the paucity of data -related to the use of influenza vaccines during the first -trimester of pregnancy, other inactivated vaccines (e.g. -tetanus) have proved safe in this context.
虽然目前关于在妊娠初期3个月内使用流感疫苗的资料还很少，但有其他灭活疫苗(如破伤风疫苗)已被证明在此期间可以安全使用。
Despite the paucity of data -related to the use of influenza vaccines during the first -trimester of pregnancy, other inactivated vaccines (e.g. -tetanus) have proved safe in this context.
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