パソコンでオンライン授業
Palabras clave
personal computer,
personal computer,
online,
school,
learning,
lecture,
study,
noto,
exam,
telecommuting,
keyboard,
operator,
student,
display,
business,
ict,
work,
network,
communication,
exposition,
meeting,
motion picture,
pen,
table,
school,
classroom,
model,
miniature
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