操场 cāochǎng playground

操劳 cāoláo work hard

操心 cāoxīn worry

操纵 cāozòng manipulate; manipulated; manipulates; manipulating; manipulation; rig; rigged

操作 cāozuò manipulations; operating; operational

操作系统 cāozuò xìtǒng operating system

曹操 cáocāo cao cao

节操 jiécāo exercise

体操 tǐcāo gymnastic; gymnastics

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