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Student with books
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学生用书
People
Young female scientist
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年轻的女科学家
People
Two scientists vector drawing
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两位科学家
People
Cartoon kids playing
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卡通小孩在玩
People
Gospel in Greek language
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希腊语福音
Signs
Learning kids with icons
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学习带图标的孩子
People
Stack of colorful books
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堆五颜六色的书
Objects
Peeled banana
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去皮的香蕉
Food
Holiday icons
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假期图标
Signs
Kid with math on laptop
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孩子在笔记本电脑上数学
People
Perplexed male vector image
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困惑的男性
People
Blue and red beads
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蓝色和红色珠子
Objects
Mouse in dots
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鼠标点
Animals
Connect the dots in stars
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连接星星中的点
Nature
Five red beads
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五颗红珠
Objects
Four red beads
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四个红珠
Objects
Three abacus beads
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三个算盘珠
Objects
Two red beads
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两个红珠
Signs
Single bead
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单珠
Signs
Many math beads
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许多数学珠
Objects
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