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(单词翻译:双击或拖选)
Old picnic new archaeology
Grammar
remnants
small parts of something that are left after the rest of it has been eaten or destroyed
littering
throwing waste and rubbish away and leaving it on the ground in a public place
pigs' udders
the parts of pigs' bodies where piglets get milk from
trotters
pigs' feet, especially when cooked and used as food
trench
long narrow hole dug into the surface of the ground
a controlled experiment
a scientific test done under certain conditions
decompose
the chemical breakdown of material over time
vanished
disappeared suddenly
oversee
supervise
a plaster cast
a hardened cover made of a mixture of a white powder and water that dries quickly
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