noun🔗Share精兵, 战士 A soldier fit for duty"The new recruit was a strong and effective soldier, ready for basic training. "这个新兵身体强壮，是个能上战场的精兵，已经准备好参加基础训练了。militarywarpersonessentialtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share有效，奏效。 Having the power to produce a required effect or effects."The pill is an effective method of birth control."这种药是一种有效的避孕方法。abilityachievementfunctionoutcomeessentialtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share有效，奏效 Producing a decided or decisive effect."The president delivered an effective speech!"总统发表了一场很有感染力的演讲！outcomeachievementabilityfunctionessentialtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share有效，奏效，管用 Efficient, serviceable, or operative, available for useful work."How long does it take to make a bunch of civilians an effective military force?"要多久才能把一群平民训练成一支有战斗力的军队？abilityqualityachievementoutcomeutilityfunctionessentialtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share有效，生效。 Actually in effect."The curfew is effective at midnight."宵禁于午夜开始生效。outcomeabilityachievementfunctionqualityessentialtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share有效。 (of a cycle or divisor) Having no negative coefficients."The polynomial equation for the student's project was effective; all the terms had positive coefficients. "学生项目中的多项式方程是有效的；所有项的系数都是正的。 (Xuéshēng xiàngmù zhōng de duōxiàngshì fāngchéng shì yǒuxiào de; suǒyǒu xiàng de xìshù dōu shì zhèng de.)mathessentialtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share有效的，近似的。 (for any effective theory) approximate; Not describing the fundamental dynamic changes in some system as they happen."The new math textbook's explanation of quadratic equations was effective for helping students solve problems, but it didn't explain how the equations were derived. "这本新数学课本对二次方程的讲解对于帮助学生解题很有效 (yǒu xiào de, jìn sì de)，但是它并没有解释这些方程是如何推导出来的。theorysciencephysicsphilosophytechnicalessentialtoeicChat with AIVocabulary GamePractice Reading
