vt. 使变质

Transubstantiate \Tran`sub*stan"ti*ate\, v. t. [LL.
transubstantiatus, p. p. of transubstantiare to
transubstantiate; L. trans across, over + substantia
substance. See {Substance}.]
1. To change into another substance. [R.]

The spider love which transubstantiates all,
And can convert manna to gall. --Donne.

2. (R. C. Theol.) To change, as the sacramental elements,
bread and wine, into the flesh and blood of Christ.