| 释义 |
critical mass
ˌcritical ˈmass noun [C usually singular or U]
1 F0 SPECIALIZED the smallest amount of matter that is needed to produce a nuclear chain reaction Thesaurus+: ↑Maximum and minimum2 F0 the size that something needs to reach before a particular change, event, or development can happen Thesaurus+: ↑Maximum and minimum |