刺激物质 meaning in English
excitor substance
Examples
- Caffeine and nicotine are stimulants .
咖啡因和尼古丁是刺激物质。 - Florigen ( flowering hormone ) a hypothetical plant hormone that has been postulated to account for the transfer of the photoperiod stimulus from the leaves to the apex where flowering is induced
成花激素：一种假定的植物激素，该假设用来解释来自于叶中，在茎端诱导成花的光周期刺激物质的转运。