双语例句原声例句权威例句
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On Saturdays, from twelve to four, Dad and I have a father-daugh - ter day.
星期六，从十二点到下午四点，爸爸和我过了父亲和女儿的一天。
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Nickel, electrodeposited from twelve typical plating baths, were investigated by positron annihilation lifetime spectroscopy.
应用正电子湮没寿命谱研究了十二种典型镍镀层的结构缺陷。
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Soon another servant and a number of pretty maids, from twelve or thirteen to eighteen in age, came out with bedding, packages, and little POTS.
不久，走出来一个仆人和几个漂亮的小丫鬟，大概由十二、三岁到十八、九岁的年纪，抱着被褥包袱、小壶等东西。
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The absolute number of child deaths declined to an estimated eight-point-eight million from twelve-point-five million in nineteen ninety.
VOA: special.2009.09.28
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The next phase, concrete operations, from seven to twelve, you can solve the conservation problem, but still you're limited to the extent you're capable of abstract reasoning.
下一阶段,具体运算阶段,七到十二岁,儿童可以解决守恒问题,但儿童的抽象推理能力仍然有限
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Researchers tested new household enamel paints from twelve countries in Africa, Asia and South America.
VOA: special.2009.08.31
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