题目内容
vt. to leave a mark that is difficult to remove on sth. ; to be marked in this way; n. a dirty mark on sth. , that is difficult to remove
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a. aware of and able to understand other people and their feelings
n. a small piece of paper, cloth, plastic, etc. attached to sth.to identify it or give information about it;
a. serious and often disapproving; expecting sb.to obey you
n. a school or university year; a formal meeting or series of meetings
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