1. the refreshing fragrance emitted by perfumes 香水发出的令人清爽的香味
2. Fireflies emit light but not heat. 萤火虫发光但不放出热。
3. Earthquakes emit three types of waves which have their own characteristics. 地震放射出的三种类型的地震波也个有特点。
英英解释
v.
1. expel (gases or odors)
2. give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.
3. express audibly; utter sounds (not necessarily words)