Level 5 · word 9,918 of 20,000

instantaneous

/ˌɪnstənˈtæniəs/ American
  • adj. 即时的, 瞬间的
Definition
  • adj. happening immediately, without any delay
Example
The reaction between the chemicals was almost instantaneous.
这些化学物质之间的反应几乎是瞬间发生的。