英文關鍵字
russian
letter
boy
person
human
caucasian
white
serious
write
attentively
education
indoor
inside
room
table
clever
face
closeup
lesson
task
classroom
class
sheet
paper
paint
compose
pen
arm
hand
blonde
attention
assiduity
zeal
studiousness
kid
child
schoolboy
pupil
student
male
young
youth
note