n. 相伴, 伴随, 共存

[ noun ]
occurrence or existence together or in connection with one another
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Concomitance \Con*com"i*tance\, Concomitancy \Con*com"i*tan*cy\,
n. [Cf. F. concomitance, fr. LL. concomitantia.]
1. The state of accompanying; accompaniment.

The secondary action subsisteth not alone, but in
concomitancy with the other. --Sir T.
Browne.

2. (R.C.Ch.) The doctrine of the existence of the entire body
of Christ in the eucharist, under each element, so that
the body and blood are both received by communicating in
one kind only.