1. 该词象形：j (谐音“家、加”) + u (象形，像一个装水的容器) + g (谐音“罐”) => jug: 家里面装水的水罐儿。
"deep vessel for carrying liquids," late 15c., jugge, variant of jubbe, of unknown origin, perhaps from jug "a low woman, a maidservant" (mid-16c.), a familiar alteration of a common personal name, Joan or Judith. Use as a musical instrument is attested from 1946. Jughead "klutz" is from 1926; jughandle "tight curved road used for turns" is from 1961. Jugs for "woman's breasts" first recorded 1920 in Australian slang, short for milk jugs.
1. She found a pretty yellow jug smashed to bits.
2. a five-gallon jug of beer
3. He walked along with a jug poised on his head.
4. She filled the jug with fresh water.
5. After looking at the jug, Faulkner concurred that it was late Roman, third or fourth century.