Penton
n. [微](在完整的病毒颗粒中由5个外壳包围而成的)腺病毒亚单位
🗣️ 情景例句
I have learned the most important language by meeting a wide range of people from different cultures.
我接触到许多来自不同文化的人，掌握了最重要的语言。
Is it far?
远吗？
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。