应用思考-教育技术论坛
标题:
concrete-cement
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作者:
etthink
时间:
2023-1-8 22:31
标题:
concrete-cement
concrete
Wait for the concrete to go hard.
等待混凝土凝结。
cement
Concrete is a mixture of sand and cement.
混凝土是沙和水泥的混合物。
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