名词
1. 阶段；时期
A phase is a particular stage in a process or in the gradual development of something.
2. 把…分阶段
If an action or change is phased over a period of time, it is done in stages.
3. 不同步的（地）/同步的（地）；不协调的（地）/协调的（地）
If two things are out of phase with each other, they are not working or happening together as they should. If two things are in phase, they are working or occurring together as they should.
1. (astronomy) the particular appearance of a body's state of illumination (especially one of the recurring shapes of the part of Earth's moon that is illuminated by the sun)
e.g. the full phase of the moon
2. (physical chemistry) a distinct state of matter in a system
matter that is identical in chemical composition and physical state and separated from other material by the phase boundary
e.g. the reaction occurs in the liquid phase of the system
Synonym: form
3. a particular point in the time of a cycle
measured from some arbitrary zero and expressed as an angle
Synonym: phase angle
4. any distinct time period in a sequence of events
e.g. we are in a transitional stage in which many former ideas must be revised or rejected
Synonym: stage