With a roar, it began to rise slowly from the launch pad.

VOA: special.2009.06.17

In this mode either the students can self-study, Work on their own, or often Prof. Perdue will use These materials in the classroom and use them to Launch a larger discussion about what the students understand from these materials.

在这种模式下，学生可以自学，或者Peter，Perdue教授也经常拿这些,当作课堂讨论的材料,激发大家的讨论,看学生从中学到了什么。

麻省理工公开课 - 媒体、教育、市场课程节选

sanctions resulting from the launch will deal a fatal blow to six-nation talks aimed at ending the North's nuclear weapons programs.

VOA: standard.2009.03.27

Two-and-one-half minutes after the Apollo Eleven launch, the first-stage rocket separated from the spacecraft.

VOA: special.2009.07.15

The launch was made from the space center at Cape Canaveral,Florida.

VOA: special.2009.06.10

The spacecraft will launch from Spaceport America in New Mexico.

VOA: special.2009.12.18

Officials now say the lunar mission will launch as early as Thursday from the Kennedy Space Center in Florida.

VOA: standard.2009.06.16

NASA officials cleared the flight after technicians fixed a hydrogen leak in the shuttle's fueling system, which delayed the launch from last week.

VOA: standard.2009.03.15

Equally excited fans greeted the launch from Hong Kong to Frankfurt, where some arrived as early as 3 am to be first in line.

VOA: standard.2010.05.28

Returning to Seoul from consultations in Washington, he said the launch will have consequences.

VOA: standard.2009.04.01

As a result,the United States needs radar installations and anti-missile launch sites in key regions, particularly in Central Europe to counter the growing missile threat from Iran.

VOA: standard.2010.03.26

When Hex gets offered the chance to clear his own name by stopping Turnbull from using terror to launch a new civil war, it is an offer the bounty hunter can not turn down.

VOA: standard.2010.06.20

North Korea said Tuesday it found the U.N.Security Council condemnation of its missile launch an unbearable insult, and said it was withdrawing from the Chinese-sponsored six-party talks on its nuclear program and moving to reopen nuclear facilities shut down under aid-for-disarmament commitments.

VOA: standard.2009.04.14