バイエルのインスタグラム(bayerofficial) - 5月1日 04時00分


How many chemical reactions are needed to make pizza? And how many atoms does it take to create a grain of sand? Find out in this week's #Science at #Home - you can find the link on our homepage and in our story. #scienceathome #STEM #scienceforkids #homeschoolfun


[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め!「UVシールド」を購入する

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