occurring continuously over a period of time
不断的;连续的
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the pain is constant .疼痛持续不断。
remaining the same over a period of time
不变的;始终如一的
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the company has kept its prices fairly constant .公司一直保持价格不变。
(of a person)unchangingly faithful and dependable
(人)忠诚的,忠实的,忠贞的。
a situation or state of affairs that does not change
持久不变,始终如一
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the condition of struggle remained a constant .斗争情形保持不变。
【数】 常数,常量;恒量。
【物理】 恒量。
"late Middle English (in the sense ‘staying resolute or faithful’): from Old French, from Latin