15岁的吉安娜·范泰尔，在英特尔国际科学与工程博览会上，展示了自己对蛇纹石的研究结果。
Gianna Fantell, 15, presented the results of her serpentine research, here, at the Intel International Science and Engineering Fair.
范尼的工资也许会成为绊脚石，如果他能够返回英格兰，利物浦不想为其支付工资。
Van Nistelrooy's wages may prove to be a stumbling block, however, with Liverpool not wanting to pay them if he was to return to England.
这家作坊有近百年历史，现仍以四天为一周期铸造犁铧和犁镜，供应当地农户，是迄今所发现规模最大的石范铸铁作坊。
This workshop has been operating for a hundred years, and makes an iron plough about every four days for use by local farmers. This is the largest workshop of its kind found to date.
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