1, if you want to spit sand, you usually need to soak it in light salt water for more than half an hour, so that all impurities such as sand can be soaked and sterilized.

Clam is a kind of seafood, and people who are allergic to seafood can't eat it. Moreover, proper consumption of Meretrix meretrix can supplement high-quality protein, improve immunity and is rich in amino acids.