双语例句权威例句
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In 1950, our family moved from the farm. Dad had gained employment at the local limestone quarry.
1950年，我们全家搬离农场，父亲在当地石灰石采石场谋得职位。
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Tip: Butchart Gardens was originally an exhausted limestone quarry before it was covered with topsoil and transformed into one of the world's most beautiful gardens.
贴士：布查德花园原是一个荒废的石灰石采矿场，后来才盖上了表层土，变成了世界上最美丽的花园之一。
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In this paper the usability of a quarry dust limestone powder in concrete applications substituted for fly ash as mineral admixture is investigated.
为了有效利用石粉资源，本文对石灰岩石粉代替粉煤灰作混凝土矿物掺合料的可用性进行了研究。
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