phase
- n. 相；阶段；[天] 位相
- vt. 使定相；逐步执行
- vi. 逐步前进
英英释意
- 1. (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;
- "the reaction occurs in the liquid phase of the system"
- 2. any distinct time period in a sequence of events;
- "we are in a transitional stage in which many former ideas must be revised or rejected"
- 3. a particular point in the time of a cycle; measured from some arbitrary zero and expressed as an angle
- 4. (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);
- "the full phase of the moon"