Intrenches
v. 固守；用壕沟围绕；使起皱纹
🗣️ 情景例句
Be prepared to discuss details and be ready to answer questions.
应随时准备好讨论细节和回答对方的疑问。
An idle youth,a needy age.
少壮不努力，老大徒伤悲。
But of course, he can learn by himself. He has a book and a dictionary.
但当然，他也可以自学。他有书和词典。