单词 | c |
释义 | c 1. calorie. 2. Optics. candle; candles. 3. (with a year) about: c1775. [ < L circa, circiter, circum] 4. Physics , Chem. curie; curies. 5. cycle; cycles. Symbol. 1. Optics , Physics. the velocity of light in a vacuum: approximately 186,000 miles per second or 299,793 kilometers per second. 2. Acoustics , Physics. the velocity of sound. (in prescriptions) with. [ < L cum] |
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