knife-edge
n. 刀刃；锐利物；处于紧要关头；十分焦虑
knife-edge网络翻译
... kit套件 knife-edge刃形支承，刀刃，刀边 kryton氪 ...
[机] 刀口... knife switch 刀形开关 knife-edge 刀口，刀边，刀刃 knife-edge bearing 刀口支承 ...
刀口刀形边缘... knife-edgeswitch闸刀开关 knife-edge刀口刀形边缘 knife-shapedneedle刀形指针 ...
刀边... knifeswitch刀形开关 knife-edge刀口，刀边，刀刃 knife-edgebearing刀口支承 ...
knife-edge常用短语
1. offset knife-edge follower：偏置尖底从动件
2. Steel Knife-Edge：钢质刀口
3. Foucault knife-edge test：傅科刀口检验 ; 傅科刀口检验法
4. knife-edge relay：刀形继电器 ; 刃式继电器
5. knife-edge pointer：刀缘指针 ; 刀子曲率半径
6. knife edge curvature radius：刀子曲率半径
knife-edge双语例句
The economy is balanced on a knife-edge.
经济形势尚不明朗。
《牛津词典》
Tonight's knife-edge vote could be uncomfortably close.
今晚的投票难以预料，结果可能会很接近，真令人紧张。
《柯林斯英汉双解大词典》
The game is poised on a knife-edge. One mistake or one piece of good luck could decide it.
比赛形势扑朔迷离。一个失误或是一点运气就有可能决定胜负。
《柯林斯英汉双解大词典》