certificate 隐藏摘要 
证书
链杆 chain bar
证书 certificate
撞心 center of percussion
http://www.chinglish.com/community/revision/shipping-C?lang=zh_CN&rev=2 - 基于560个网页
单据
amount 数额
certificate 单据
purchase 买,购买,购置,所购物
http://www.360edu.net/html/ielts/ieltsch/2006-8/3/10_25_16_585_2.html - 基于88个网页
证明书
22. departure lounge 候机室
23. certificate n. 证明书
【Alternative Exercises 替换练习】
http://www.029edu.com/waiyu/2006_04_07_Sports_9161.html - 基于84个网页
证书,证明书
certify v.①证明②发证书
certificate n.证书,证明书
http://bbs.e21.cn/simple/index.php?t7497.html - 基于61个网页
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