Signs of the disease appear in victims ten to fifteen days after they are bitten.

VOA: special.2010.04.20

After logging into the course's website, you'll appear on the top left-hand corner as I just did with your actual names that we know exactly who we're working with and then what you can do is raise your hand sort to speak.

登录课程网站之后，你将被显示在,左上角，通过你们的真实名字,我可以知道我到底是在跟谁一起工作,然后你们可以做的是举手来回答问题。

哈佛公开课 - 计算机科学课程节选

But more than two months after the earthquake, many Haitians appear to still need urgent help finding food.

VOA: standard.2010.03.22

More than two months after inconclusive national elections, Sunnis are once again watching their chances of major representation in parliament appear to slip away.

VOA: standard.2010.05.10

Voters in Virginia and New Jersey will elect governors on Tuesday, and Republicans appear poised to take back the governor's mansion in Virginia after a streak of Democratic governors in recent years.

VOA: standard.2009.11.02