1·They carried out security checks at the airport.
他们在机场实行了安全检查。
—— 《牛津词典》
2·Every day, USPS processes, on average, 493.4 million pieces of mail—anything from postcards to Social Security checks to medicine.
美国邮政局平均每天处理4.934亿封邮件，从明信片到社保支票再到药品，无所不包。
3·Every day, USPS processes, on average, 493.4 million pieces of mail —anything from postcards to Social Security checks to medicine.
每天，美国邮政平均处理4.934亿件邮件--从明信片到社保支票再到药品，无所不包。
4·They will coordinate with the Social Security Administration to make sure that Social Security checks reach the right people in a timely fashion.
他们将与社会保障局协调，确保社会保障支票及时到达正确的人手中。
5·It can be hard to identify which parcels are carrying crucial items such as Social Security checks, but USPS and UPS try their best to prioritize sensitive material.
虽然很难辨别哪些包裹里装的是社会保障支票等重要物品，但美国邮政（USPS）和联合包裹服务公司（UPS）会尽其所能优先处理敏感材料。
6·An employ asked, "Would the new system create long lines to get into the building like the line in the airport security checks?"
一位员工问道：“新的安检系统会像机场安检一样排很长的队进入大楼吗？”
7·Scanning prints at two meters could mean safer security checks.
安检时，在两米之外扫描指纹(进行指纹识别)会更加安全。
8·It stopped in Malmo, Sweden, for security checks en route to Gatwick.
它停止了在马尔默，瑞典的安全检查，直接前往盖特威克。
9·This is the place you typically will want to perform security checks.
这是通常执行安全检查的地方。
10·The security checks are elaborate, but the wait is well worth it.
安保检查详尽繁复，不过这漫长等待一定非常值得。