phase in
collocation逐步引入；分阶段推行
The company will phase in the new policy over six months.
公司将在六个月内逐步推行新政策。
分阶段进行；逐步停止
先理解核心含义，再看它在真实句子里的用法。
分阶段进行；逐步停止
To do something gradually in stages (phase in) or to stop something gradually (phase out).
The new system will be phased in over six months.
新系统将在六个月内逐步推行。
常与 in 或 out 连用。
与“in”连用表示开始,与“out”连用表示停止,在一段时间内分阶段进行。
To begin—if construed with "in"—or to discontinue—if construed with out—(doing) something over a period of time (i.e. in phases).
穿过固体物体。
To pass into or through a solid object.
使用相位器。
To use a phaser.
phase
Base
原形
phases
3rd person
第三人称单数
phasing
-ing
现在分词
phased
Past
过去式
phased
Past participle
过去分词
We phase the project gradually.
我们逐步实施这个项目。
They phased in the new system last year.
他们去年逐步引入了新系统。
The company has phased out old products.
公司已经逐步淘汰了旧产品。
phase常与in/out连用表示逐步引入或淘汰。
The company is phasing out the old equipment.
公司正在逐步淘汰旧设备。
Management phases the changes carefully.
管理层仔细地逐步实施这些变动。
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逐步引入；分阶段推行
The company will phase in the new policy over six months.
公司将在六个月内逐步推行新政策。
逐步淘汰；逐步停止使用
They plan to phase out single-use plastics by 2030.
他们计划到2030年逐步淘汰一次性塑料。
穿过；穿透
The superhero can phase through walls.
这位超级英雄能穿墙而过。
逐步引入；分阶段实施
The company will phase in the new system over the next two months.
公司将在接下来的两个月内逐步引入新系统。
逐步淘汰；分阶段停止
The factory is phasing out old equipment.
这家工厂正在逐步淘汰旧设备。
Use phase naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象“脸(face)”多了一个 h 变成 phase：计划分阶段进行——in 开始，out 停止；还能像幽灵穿墙。
语域：mixed 常见场景：business and management、science fiction “phase”作动词时，最常见的是 phase in/out，表示“逐步引入/逐步淘汰”，较正式，多用于商务、管理或技术领域；phase through 和 use a phaser 则多出现在科幻作品中。整体语域因搭配而异，比较常见于书面或特定题材语境。
常用搭配：phase in/out 逐步引入/淘汰
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.