phase

• 名词，指事物变化或发展过程中的一个时期、阶段或步骤。

A noun referring to a distinct period, stage, or step in a process of change or development.

1. Stage of developmentB1formal

   A distinct period or stage in a process of change or development.

   发展阶段

   • The project is currently in the planning phase.
   • Children go through a difficult phase during adolescence.
   • The first phase of the construction will be completed by June.

   同义词chapterjunctureperiodpointstagesteptime

2. Temporary periodB1informal

   A short period of time during which someone behaves in a particular way or does something.

   临时阶段

   • He's going through a rebellious phase right now.
   • She had a phase where she only listened to jazz music.
   • It's just a phase; he'll grow out of it soon.

   同义词boutperiodspellstintstreak

3. Physical stateB2formalscientific

   A distinct form of matter, such as solid, liquid, or gas.

   相

   • Water changes phase from liquid to gas when heated.
   • The experiment studied the phase transition of the material.
   • Scientists observed a new phase of matter at extreme temperatures.

   同义词formstate

• 动词，指分阶段或逐步地引入、实施某事。

A verb used to indicate the act of introducing or implementing something in stages or gradual steps.

1. Introduce graduallyB2formal

   To introduce something in stages or gradually over a period of time.

   逐步引入

   • The company will phase in the new software over six months.
   • They are phasing in a new training program for employees.
   • The government plans to phase in the new regulations gradually.

   同义词bring inphase inroll outstagestagger

   反义词ceaseendremovestopwithdraw

2. Remove graduallyB2formal

   To gradually discontinue or eliminate something.

   逐步淘汰

   • The factory will phase out the old machinery next year.
   • They are phasing out single-use plastics in the store.
   • The school phased out the outdated curriculum over two semesters.

   同义词discontinuephase outrun downscale downtaper offwithdraw

   反义词establishimplementinstituteintroduce

短语动词变体phase inphase out