Unverified85% confidenceDecision RuleTime unknown
笔头选择按年龄:3-5岁选粗头/圆头(笔尖直径2-6mm)便于抓握大面积涂色,6岁以上可用细头(0.5-2mm)练习细节;纤维头比塑料头更柔软不易戳伤
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