to raise silkworms

plump lower eyelids (considered to be an attractive feature)

the common silkworm (Bombyx mori)

Silkworms in Spring (1933), Chinese silent movie in socialist realist style, based on novel by Mao Dun 茅盾[Mao2 Dun4]

silkworms fed on the leaves of the 柘[zhe4] tree