先听句子，undergo在句子的运用，下节音频教单词记忆法。敬请期待！
The town has undergone a great change during the last five years.
在过去的五年里，这个城镇发生了巨大的变化。
The refrigerant in a household refrigerator also undergoes a cyclic process.
家用冰箱的制冷剂也经历一个循环过程。