| 释义 |
pref·er·en·dum
\ˌprefəˈrendəm\ noun
(plural preferen·da \-də\)
Etymology: New Latin, from Latin, neuter of gerundive of praeferre to prefer
: the range of a gradient item (as light, temperature, or moisture) that seems to be positively attractive to a motile organism when a selection is available |