timely
adjective uk/ˈtaɪm.li/ us/ˈtaɪm.li/
适时的;及时的
happening at the best possible moment
a timely reminder 及时的提醒
The change in the exchange rate provided a timely boost to the company's falling profits. 汇率的变动及时缓解了公司利润下滑的局面。
Synonym: well timed