混凝土的质量弃决于恰当的灌注、抹光和养护。
Quality of concrete depends on proper placing, finishing, and curing.
混凝土的品质弃决于恰当的灌注、抹光和养护。
Quality of concrete depends on proper placing, finishing, and curing.
这弃决于父母提供应小孩良好乐观的环境，以饱励他们配合。
It is up to parents to provide a caring and optimistic environment that will encourage children to co-operate.
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