L: Well, it's important to take care of your skin.
是的，保养皮肤很重要。
Rice (Oryza sativa L. ) is one of the most important cereal crops in the world.
水稻是全世界最重要的粮食作物之一。
The L-lactic acid is a kind of important organic acid.
L-乳酸是一种重要的有机酸。
The L-lactic acid is a kind of important organic acid.
L-乳酸是一种重要的有机酸。
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