rudimentary knowledge; elementary knowledge

• 起码的知识

rudimentary knowledge; elementary knowledge的用法和样例：

例句

1. She had only rudimentary cosmetics, dry and cracking with disuse.
   她只有一些起码的，因为久已不用而干裂的化妆品。
2. Many bikers have at least a limited knowledge of how to change a tire or change their seat height.
   很多骑车的人都有一些起码的更换轮胎或改变车座高度的知识。