"keystone" in Chinese (Simplified)
拱顶石关键部分
Definition
“Keystone”是指拱顶中央的顶石，可以固定所有其他石块。它也常用来表示一个系统或过程里最关键的部分。
Usage Notes (Chinese (Simplified))
字面用法是建筑领域，做比喻时常用于正式、学术或新闻语境，表示核心、基础。常见搭配：'keystone species'（关键物种）。口语中不太常见。
Examples
The keystone is in the center of the arch.
**拱顶石**在拱门的中央。
Trust is the keystone of any good relationship.
信任是任何良好关系的**关键部分**。
Removing the keystone makes the whole arch fall.
拿掉**拱顶石**会让整个拱门塌陷。
Education is often called the keystone of society.
教育常被称为社会的**关键部分**。
That little town became a keystone in the national railroad network.
那个小镇成了全国铁路网络的**关键部分**。
If you take away that keystone habit, everything else falls apart.
如果失去那个**关键习惯**，其他一切都会崩溃。