By 1944 its factories built a plane every five minutes while its shipyards launched 50 merchant ships a day and eight aircraft carriers a month.

到1944年，美国每5分钟就能生产一架飞机，每天能让50艘商船下水，每个月能让8艘航母投入战斗。

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By 1963, wheat production in Mexico stood six times more than that of 1944.

到1963年，墨西哥的小麦产量是1944年的6倍。

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Asperger's, considered a mild form of autism, was first identified in 1944 by Viennese pediatrician Hans Asperger.

亚斯伯格症候，一般被认为是孤独症的轻微表现，首先在1944年由维也纳的小儿科医生汉斯·亚斯·伯格确诊。

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By 1944 its factories built a plane every five minutes while its shipyards launched 50 merchant ships a day and eight aircraft carriers a month.

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By 1944, the American Cancer Society began to warn about possible ill effects of smoking, although it admitted that "no definite evidence exists" linking smoking and lung cancer.

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By 1944, the figure had dropped to less than 1%.

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