drilled
v.
钻（孔）( drill的过去式和过去分词 );
打（眼）;
操练;
训练;
例句:
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We had multiplication tables drilled into us at school.
以前我们上学得反复背诵乘法表.
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Of 27 new wells drilled, 16 have proved exploitable.
在新钻成的27口井中，已经有16口证明有开发价值。
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They drilled through several layers of rock to reach the oil.
他们钻透了几层岩石寻找石油。
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The staff are well-drilled and white-jacketed without being scary.
来自THETIMES
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Other boreholes drilled by Vox United so far are saline.
来自VOA
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World's first oil well is drilled south of Baku.
来自BBC