單詞
ray
英 [re?]
美[re]
基本信息
- n. 射線；光線；【魚類】鰩形目(Rajiformes)魚
- vt. 放射；顯出
- vi. 放射光線；浮現
CET4TEM4考研TOEFLCET6中頻詞核心詞匯魚類
英英釋意
- 1. a column of light (as from a beacon)
- 2. a branch of an umbel or an umbelliform inflorescence
- 3. (mathematics) a straight line extending from a point
- 4. a group of nearly parallel lines of electromagnetic radiation
- 5. the syllable naming the second (supertonic) note of any major scale in solmization
- 6. any of the stiff bony rods in the fin of a fish
- 7. cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins