[ti:]

[ar:]

[al:]

[by:听力课堂～www.tingclass.net]

[00:02]contribute 有助于，促成

[00:18]clash 冲突

[00:27]collide 碰撞，互撞

[00:39]crush 压碎，碾碎

[00:50]gap 差距

[00:58]opening 口子，洞

[01:09]