It breaks apart large fat globules so that enzymes from the pancreas can digest the fats.
它可以分解大的脂肪球，使胰腺中的酶能够消化脂肪。
英语百科
Globules of fat
In human cell biology globules of fat are the individual pieces of intracellular fat inside other cell types than adipocytes (fat cells). Intracellular fat is bound in the globular form by phospholipid membranes, which are hydrophobic. This means that fat globules are insoluble in water.