重点词汇
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第二
second; secondly; secondarily; secondary; second place; runner-up; in the second place; 2nd
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缩写
abbreviate; shorten; abridge; abbreviation; acronym; initialism; contraction; abbr
Second abbreviation
第二
second; secondly; secondarily; secondary; second place; runner-up; in the second place; 2nd
缩写
abbreviate; shorten; abridge; abbreviation; acronym; initialism; contraction; abbr