Vitamin B9 — also known as folate（叶酸）— can be found in many fruits, vegetables and beans.该句中的插入语是A Vitamin B9 B also kno Vitamin B9 — also known as folate（叶酸）— can be found in many fruits, vegetables and beans.该句中的插入语是A Vitamin B9 B also kno 2022-01-06 9
