1640s, "act of cutting off," also "portion cut off," from verbal phrase cut off (late 14c.). Of rivers, from 1773; of roads, from 1806; of clothing (adj.), from 1840.
权威例句
1. The United States resisted an arms cutoff.
美国拒绝停止武器供应。
2. These cutoff values are by no means recommended values.
这些截止值决不是推荐值.
3. There is no absolutely sharp cutoff distinguishing galaxies from globular clusters.
在星系和球状星团之间没有任何不可逾越的鸿沟.
4. Grade cutoff is sharp within inches.
数英寸内的品位变化很急剧.
5. The amendments provide several other sanctions, including a cutoff of federal highway funds.