cutoff
['kʌt`ɔf]
n. 路, , 捷径, 掉,

[] 截

1. Provides18 dB-per-octave cutoff at80 Hz.
   80赫兹，供每八18贝截频。
2. The cutoff does not have to be taken to infinity.
   否：散常数被被掉，乎还穷？
3. A high temperature cutoff shall be supplied as an integral part of the heater.
   温闭应该热器整体配置。

cutoff
[ noun ]

1. a designated limit beyond which something cannot function or must be terminated

<noun.quantity>

2. a route shorter than the usual one

<noun.artifact>

3. a device that terminates the flow in a pipe

<noun.artifact>