It's possible to misjudge the depth of a cut, making it so deep that it requires stitches (or, in extreme cases, hospitalization).
有可能对切削深度产生误判,以至于割得如此之深,需要缝合(或者在极端情况下需要住院)。
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And then we also place tissue depth markers on the skull at very specific areas, cut to very specific links and millimeters that help guide her in developing or recreating the tissue.