| 单词 | sec |
| 释义 | sec sec1 /sek/, adj. (of wines) dry; not sweet. [1885-90; < F; see SACK3] sec2 /sek/, n. Informal. second2 (def. 2). [1955-60; by shortening] 1. secant. 2. second. 3. section. sec-1 Symbol, Trig. arc secant. |
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