吃透英语课本，提升在校竞争力
phrase. 切断；使隔绝；剪下
So he used his knife to cut off half his right arm.
于是他用刀子切断了自己半条右臂。
因此他用刀切掉了自己的半条右臂。
cut off the yellow leaves
修剪发黄的枯叶
Mrs. Johnson cut off a generous piece of the meat.
约翰逊太太切下一大块肉。
He threatened to cut my hair off.
他威胁要剪掉我的头发。
The rebels have cut off electricity from the capital.
叛乱者已经切断了首都的电力。
cutoff frequency
截止频率
cutoff point
截点；分界点
cutoff wall
隔水墙；截水墙；齿墙
cutoff wavelength
截止波长
cutoff value
截断值
cutoff grade
边界品位；最低品位
已安全检测