1、无疑地
...fetus 胎儿，胎indubitably 无疑地，不容置疑地，不容置疑地code of ethics 道德规范 ...
2、确实地
...朴实地 sparingly确实地 authentically; factually; fairly; indubitably; inevitably; positively; reliabl ...如实地 as such; faithfully ...
3、无可置疑
... 无可置疑 = indubitable 无可置疑 = indubitably 无可辩驳 = incontrovertible ...