This is a band-aid box, and you can see , here says “water block” which means it’s waterproof .
    If you’ve got a cut or a small wound on your skin, you’ll take out one of them, tear it open and stick it to the skin to protect the wound to prevent the infection.
    这是一个创可贴盒，你可以看到，这里写着“water block”，意思是它是防水的。
    如果你的皮肤上有割伤或小伤口，你会取出其中一个，撕开并贴在皮肤上，以保护伤口，防止感染。