单词	critical mass
释义	English Business critical massnoun [ C usually singular or U ] uk/ˌkrɪt.ɪ.kəl ˈmæs/us/ˌkrɪt̬.ɪ.kəl ˈmæs/ specialized physics the smallest amount of matter that is needed to produce a nuclear chain reaction the size that something needs to reach before a particular change, event, or development can happen Thesaurus: synonyms and related words Maximum and minimum (at) full stretch idiom at least idiom bare ceiling full least majority mass max max out maximal maximum minimum minority most most outside peak the full monty utmost See more results » critical massnoun [ U or S ] ukus the size or number that something needs to reach before a particular change or development can happen: They believe that they have achieved critical mass, that is a size that is necessary for the company to survive. The challenge is to attract a critical mass of customers that will enable the business to start making a profit.
随便看	rip into sb/sth rip into someone/something rip off rip off someone/something rip roaring rip sb off rip sth off rip sth up rip through sth rip tide rip-off rip-roaring rip/tear up the rulebook riparian ripcord ripe ripe for something ripe for sth ripen ripen ripeness riposte riposte ripped ripped