1897年,这种植物中的有效成分的人工合成衍生物诞生了,于是阿司匹林变成了世界上应用最广泛的药品。
By 1897 a synthetic derivative (acetyl salicylic acid) of the plant's active ingredient (salicin) was created. This allowed aspirin to become the most widely used medicine in the world.
这一结合成功地造就了生命力很强、能够很好地适应当地高地或旱地环境的水稻品种,而高地或旱地水稻种植面积占非洲水稻种植总面积的70%左右。
The result of this combination is a tough, locally adapted rice best suited to upland or dryland environments, which account for about 70 percent of Africa's rice farms.
1897年,这种植物中的有效成分的人工合成衍生物诞生了。
By 1897 a synthetic derivative acetyl salicylic acid of the plant's active ingredient was created.
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