核销单的英文：
verifying and writing-off instrument
v. [verify] 的现在分词形式；验证，核查
This is a verified case.
这是一个被核实的案例。
Please verify that the doors are closed; verify a claim.
查对一下门关没关；查对一个要求。
They have verified the applicability of this new technique.
他们已经证实了这项新技术的实用性。
n. 书写；写作；笔迹；作品
v. write的现在分词
By writing you learn to write
从写作中学写作
legible writing
字迹清楚的书写
Start out to write/with the intention of writing a novel
动笔[想]写一部长篇小说.
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉
Is the water on or off?
自来水龙头开着还是关着？
The gilt is off.
幻想破灭了。
to nip off; to cut off; to break
掐断