handpick

handpick

['hændˌpɪk]

vt.用手采摘;仔细挑选;精选;亲自挑选;

过去式： handpicked 过去分词： handpicked 现在分词：handpicking 第三人称单数： handpicks

英文例句/中文翻译：

1、

After handpicking to attain a purity of> 99% the minerals were pulverized to 200 mesh to improve homogeneity.

矿物先经镜下挑选至纯度>99%，然后研磨至200目改善均匀度。

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2、

Was it possible that the plaintiffs had colluded with Beristain to handpick the interviewees? Kroll wanted me to find out.

原告方与贝里斯坦有没有可能串通一气，精心挑选了受访者呢？科罗尔公司希望我能查个水落石出。

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3、

The alloys were mostly handpicked from heavy mineral separates of the chromitites, and a few of them can be found in thin sections of chromitites.

这些合金矿物主要通过人工重砂选矿提取的，少数合金在矿石光片中可以见到。

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