美语听力练习素材:中国货轮首先通过新运河 教宗方济各结束亚美尼亚行程

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例句：A fishing vessel and a cargo ship collided in rough seas.
一艘捕鱼船和一艘货船在波涛汹涌的海上相撞了。

2.made up of 组成

例句：Speech is made up of sound waves that vary in frequency and intensity.
语音是由不同频率和强度的声波组成的。

3.wrap up 结束

例句：Let's wrap up the meeting before 5 o'clock.
咱们五点以前散会吧。

4.military operation 军事行动

例句：The soldiers were engaged in a military operation close to the Ugandan border.
这些士兵参加了乌干达边境附近的一次军事行动。