n. 刀口, 锐利物, 刃状物

n. a narrow boundary

词型变化：名词复数形式 : knife-edges

词性分布：

名词100%

knife-edge的用法和样例：

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。

词汇搭配

knife edge contact刀口触点
knife edge bearing刀刃支承
knife-edge pivot刃形枢轴,刀形枢轴...
knife-edge relay刀口继电器,刃式继电...
knife-edge weir锐缘堰
agate knife-edge玛瑙刀口
knife-edge attack刃口蚀缝
knife-edge bearing刀口支承,刃形支承...
knife-edge method刀口检验法,刀边法...
knife edge loading线荷载
knife-edge diffraction峰脊衍射
quartz knife edge石英刃口
knife-edge pulse偃刀脉
knife-edge suspension刀口支悬,刀口悬架,...
knife edge刀口
knife-edge load刃口载荷
knife-edge support刃型支承,刃形支承...

【近义词】

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

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