1
- a distinct period or stage in a process of change or forming part of something's development时期; 阶段：
the final phases of the war
战争的最后阶段
as modifier phase two of the development is in progress.第二阶段开发正在进行中。
1.1
- a stage in a person's psychological development, especially a period of temporary unhappiness or difficulty during adolescence or a particular stage during childhood心理发展阶段（尤指青春反叛期和儿童反叛期）：
most of your fans are going through a phase.
你的大部分狂热崇拜者正处于青春反叛期。
1.2
- each of the aspects of the moon or a planet, according to the amount of its illumination, especially the new moon, the first quarter, the full moon, and the last quarter（月亮或行星的）相（尤指新月、上弦月、满月和下弦月）。
1.3
- each of the separate events in an eventing competition（综合全能马术比赛的）比赛项目。
2
- Zoology a genetic or seasonal variety of an animal's coloration【动】（由遗传或季节引起的）动物颜色变化（期）。
2.1
- a stage in the life cycle or annual cycle of an animal（动物生活周期或年周期的）阶段, 期。
3
- Chemistry a distinct and homogeneous form of matter (i.e. a particular solid, liquid, or gas) separated by its surface from other forms【化】相。
4
- Physics the relationship in time between the successive states or cycles of an oscillating or repeating system (such as an alternating electric current or a light or sound wave) and either a fixed reference point or the states or cycles of another system with which it may or may not be in synchrony【物理】相, 相位, 位相, 周相, 相角。
4.1
- each of the electrical windings or connections of a polyphase machine or circuit（线圈的）匝; （多相电机或电路的）连接。
5
- Linguistics (in systemic grammar) the relationship between a catenative verb and the verb that follows it, as in she hoped to succeed and I like swimming【语言学】（系统语法用语）相（指链接动词与后续动词的关系）。
5.1
- a structure containing two verbs in such a relationship相结构（含有链接动词和后续动词的结构）。
with obj. (一般作 be phased)
1
- carry out (something) in gradual stages分阶段实行：
the work is being phased over a number of years
该工作正在分阶段进行, 数年后完成
as adj. phased a phased withdrawal of troops.分阶段撤退部队。
1.1
phase something in/out
introduce into (or withdraw from) use in gradual stages分阶段引进（或退出）：our armed forces policy was to be phased in over 10 years.
我们的军队政策原计划在10年时间里分阶段推行。
2
- Physics adjust the phase of (something), especially so as to synchronize it with something else【物理】使相位同步, 使定相。
USAGE
See usage at FAZE.
短语
in（或 out of）phase
- being or happening in (or out of) synchrony or harmony（不）同相的（地）; （不）同步的（地）; （不）协调的（地）：
the cabling work should be carried out in phase with the building work.
电缆工程应当与建筑工程同步进行。
词源
early 19th cent. (denoting each aspect of the moon)： from French phase, based on Greek phasis 'appearance', from the base of phainein 'to show'.