题目内容
n. a small area of sth. , especially one which is different from the area around it; vt. to cover a hole or a worn place, especially in clothes, with a piece of cloth or other material
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prep. concerning sb. /sth. ;about sb. /sth.
vi. to continue doing sth. that has already been started; to continue being done
vi. to express great happiness about sth.
n. an official suggestion about the best thing to do; the act of telling sb. that sth.is good or useful or that sb. would be suitable for a particular job, etc.
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