a Mongolian gerbil (Meriones unguiculatus)

sand

a pet (an animal kept as a companion)

Clipping of トランペット (“trumpet”).

PET (polyethylene terephthalate)

a mouse or a rat / general term for members of superfamily Muroidea, including mice, rats, voles, hamsters, gerbils, and other similar rodents

(chiefly women's speech) first person singular pronoun: I, me

鼠: mouse, rat / 杜松: temple juniper

sand

sand