in a state or period of inactivity or dormancy
静止(期)的,静态的;休眠(期)的
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strikes were headed by groups of workers who had previously been quiescent 罢工由原本沉默的工人团体领导
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quiescent ulcerative colitis .非活动性的溃疡性结肠炎。
 
"mid 17th cent.:  from Latin