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，可以收听真人发音 
小测验：选择正确的单词
- 论坛新贴
cleanup ['kli:nʌp]
基本释义
- n. 清除
词形变化
- 形容词：clean'up'
英英解释
3个名词解释
- a very large profit
[同] killing, cleanup - (baseball) the fourth position in the batting order (usually filled by the best batter on the team)
[同] cleanup, cleanup position, cleanup spot
show all ... (
3
)
- a very large profit