knife-edge_单词knife-edge_knife-edge的解释和用法

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knife-edge

knife-edge基本解释

n.刀口；锋利的边缘

knife-edge同义词

critical point临界点
decisive point决胜点
watershed流域
crux关键
crisis危机
turning point转折点
crunch发出碎裂声

knife-edge相关例句

用作名词(n.)

The edge of the knife has turned.
刀口卷刃了。
He bought a razor with a keen edge.
他买了一把刀口锋利的剃刀。
He handed me a knife with a keen edge.
他递给我一把锋利的刀。
You must be very careful with this sharp knife.
你用这把锋利的刀子必须很小心。

knife-edge英英释义

Noun:

a narrow boundary;
"he lived on a knife-edge between genius and insanity"

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