Epitaxy
[计] 外延
🗣️ 情景例句
Life is full of ups and downs.
生活充满起伏。
Step after step the ladder is ascended.
按部就班，循序渐进。
Primarily, the banker-customer relationship is that of debtor and creditor----
银行与储户的关系主要是债务人和债权人的关系。