If the box does not have a baseline, align the bottom margin edge with the parent's baseline.

如果该行内框没有基线，将框的底线对齐父框的基线。

youdao

If the box does not have a baseline, align the bottom margin edge with the parent's baseline.

如果该行内框没有基线，将框的底线对齐父框的基线。

youdao