相互地

The two things are closely interconnected.

这两个事物是相互紧密地联系在一起的。

Cells of scoin and understock live in harmony with each other, but do not interlace in such a manner as to form a mechanically strong point.

接穗和砧木细胞也能相互协调地生活，但是能相互交以形成机械上牢固的结合。