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美国将引进中国铁路高科技技术。
US to introduce high-speed rail tech from China.
youdao
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自从去年这种高科技泳衣被引进以来，已创造了130多项世界纪录。
More than 130 world records have been set since they were introduced last year.
youdao
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自从去年这种高科技泳衣被引进以来，已创造了130多项世界纪录。
More than 130 world records have been set since they were introduced last year.
youdao