invalidate
v[Tn]
make (sth) invalid 使(某事物)无效或作废
faulty logic which invalidated her argument 造成她的论据不能成立的错误逻辑. invalidation n [U]
(action of) making sth invalid 无效; 作废
The making of false statements could result in the invalidation of the contract. 提供虚假资料可能导致合同失效.
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨头则雕琢成针和工具,牙齿用来作项链。
For example, you might pick up a travel book and read a few pages before going to sleep. It is enough to dip into it and read bits here and there. In a word, this is tasting.