题目内容
n. a substance that is naturally present in the earth and is not formed from animal or vegetable matter, for example gold and salt
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adj. existing in large numbers
adj. connected with the education of children from 2 to 5 years old; n.a room in a house where young children can play
v.to not include sth./sb., either deliberately or because you have forgotten it/them
v. to make sb. feel upset because of sth. you say or do that is rude or embarrassing
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