Keystone
语法信息
有生性状态
无生命
形态构成
复合词
可数
singular
not gender specific
复数形式
keystones
例子
The archway was supported by a central keystone, which locked the structure into place and distributed the weight evenly.
拱门由一块中央的拱顶石支撑，它将结构锁定到位并均匀分布重量。
02
基石, 核心要素
a central element or factor that provides essential support or cohesion to a system or concept
例子
Trust is the keystone of any successful relationship.
信任是任何成功关系的基石。
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词汇树
keystone
key
stone
